You are an assistant tasked with analyzing medical histories to determine which medication is missing from the patient’s current regimen.

<PatientData>
Demographics: {'race': 'White', 'gender': 'MALE', 'year of birth': 1968}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-03-31', 'end datetime': '2011-03-31'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-18', 'end datetime': '2013-03-18'}
Visit 3: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-10-07', 'end datetime': '2014-10-07'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-01-12', 'end datetime': '2015-01-12'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-12-06', 'end datetime': '2016-12-06'}
Measurement 1: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': '%', 'value': 6.3}
Measurement 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'cm', 'value': 174.9}
Measurement 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'kg', 'value': 117.01}
Measurement 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'kg/m2', 'value': 38.25}
Measurement 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mmHg', 'value': 199.0}
Measurement 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mmHg', 'value': 112.0}
Measurement 7: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': '%', 'value': 6.3}
Measurement 8: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mg/dL', 'value': 90.0}
Measurement 9: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mg/dL', 'value': 18.0}
Measurement 10: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 11: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mg/dL', 'value': 9.69}
Measurement 12: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mmol/L', 'value': 137.0}
Measurement 13: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mmol/L', 'value': 5.19}
Measurement 14: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mmol/L', 'value': 107.0}
Measurement 15: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mmol/L', 'value': 22.0}
Measurement 16: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-31T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 17: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': '%', 'value': 6.2}
Measurement 18: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'cm', 'value': 174.9}
Measurement 19: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'kg', 'value': 119.32}
Measurement 20: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'kg/m2', 'value': 39.01}
Measurement 21: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mmHg', 'value': 140.0}
Measurement 22: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mmHg', 'value': 106.0}
Measurement 23: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': '%', 'value': 6.2}
Measurement 24: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 90.0}
Measurement 25: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 7.0}
Measurement 26: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 27: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 9.81}
Measurement 28: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mmol/L', 'value': 142.0}
Measurement 29: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mmol/L', 'value': 3.75}
Measurement 30: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mmol/L', 'value': 108.0}
Measurement 31: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mmol/L', 'value': 26.0}
Measurement 32: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 200.0}
Measurement 33: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 106.0}
Measurement 34: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 99.0}
Measurement 35: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mg/dL', 'value': 79.0}
Measurement 36: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-18T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 37: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': '%', 'value': 6.0}
Measurement 38: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'cm', 'value': 174.9}
Measurement 39: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'kg', 'value': 122.13}
Measurement 40: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'kg/m2', 'value': 39.93}
Measurement 41: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mmHg', 'value': 175.0}
Measurement 42: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mmHg', 'value': 107.0}
Measurement 43: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': '%', 'value': 6.0}
Measurement 44: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mg/dL', 'value': 66.0}
Measurement 45: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mg/dL', 'value': 8.0}
Measurement 46: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 47: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mg/dL', 'value': 10.09}
Measurement 48: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mmol/L', 'value': 137.0}
Measurement 49: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mmol/L', 'value': 4.91}
Measurement 50: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mmol/L', 'value': 101.0}
Measurement 51: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mmol/L', 'value': 25.0}
Measurement 52: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-12T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 53: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': '%', 'value': 6.4}
Measurement 54: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'cm', 'value': 174.9}
Measurement 55: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'kg', 'value': 123.74}
Measurement 56: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'kg/m2', 'value': 40.45}
Measurement 57: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mmHg', 'value': 173.0}
Measurement 58: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mmHg', 'value': 98.0}
Measurement 59: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': '%', 'value': 6.4}
Measurement 60: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 65.0}
Measurement 61: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 8.0}
Measurement 62: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 63: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 9.46}
Measurement 64: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mmol/L', 'value': 140.0}
Measurement 65: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mmol/L', 'value': 4.32}
Measurement 66: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mmol/L', 'value': 101.0}
Measurement 67: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mmol/L', 'value': 27.0}
Measurement 68: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 193.0}
Measurement 69: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 125.0}
Measurement 70: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 105.0}
Measurement 71: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mg/dL', 'value': 63.0}
Measurement 72: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-06T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-03-31', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Percutaneous coronary intervention', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-10-07', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Coronary artery bypass grafting', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-10-07', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '1988-12-26', 'End datetime': '1988-12-26', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '1999-05-09', 'End datetime': '1999-05-09', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '2007-02-24', 'End datetime': '2007-02-24', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Acetaminophen 325 MG Oral Tablet', 'Start datetime': '2010-05-05', 'End datetime': '2010-07-25', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 5: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '2014-10-07', 'End datetime': '2014-10-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 6: {'Drug name': 'Atorvastatin 80 MG Oral Tablet', 'Start datetime': '2014-10-07', 'End datetime': '2014-10-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 7: {'Drug name': 'Captopril 25 MG Oral Tablet', 'Start datetime': '2014-10-07', 'End datetime': '2014-10-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 8: {'Drug name': 'Clopidogrel 75 MG Oral Tablet', 'Start datetime': '2014-10-07', 'End datetime': '2014-10-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 9: {'Drug name': 'Clopidogrel 75 MG Oral Tablet', 'Start datetime': '2015-01-12', 'End datetime': '2015-01-12', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 10: {'Drug name': 'Simvastatin 20 MG Oral Tablet', 'Start datetime': '2015-01-12', 'End datetime': '2015-01-12', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 11: {'Drug name': 'Amlodipine 5 MG Oral Tablet', 'Start datetime': '2015-01-12', 'End datetime': '2015-01-12', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 12: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '2015-01-12', 'End datetime': '2015-01-12', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
</PatientData>

Based on the EHR history above, which medication **should also be on the list today**?

A. Meperidine Hydrochloride 50 MG Oral Tablet
B. Acetaminophen 325 MG / oxyCODONE Hydrochloride 5 MG [Percocet]
C. Memantine hydrochloride 2 MG/ML [Namenda]
D. Acetaminophen 160 MG Oral Tablet
E. oxyCODONE Hydrochloride 15 MG [OxyCONTIN]

Please share a single capital letter representing your selected answer: 
Meperidine Hydrochloride 50 MG Oral Tablet Acetaminophen 325 MG / oxyCODONE Hydrochloride 5 MG [Percocet] Memantine hydrochloride 2 MG/ML [Namenda] Acetaminophen 160 MG Oral Tablet oxyCODONE Hydrochloride 15 MG [OxyCONTIN]