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': 1948}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-11-08', 'end datetime': '2010-11-08'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-12-26', 'end datetime': '2011-12-26'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-01-30', 'end datetime': '2013-01-30'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-29', 'end datetime': '2013-06-29'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-03-03', 'end datetime': '2014-03-03'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-01-30', 'end datetime': '2015-01-30'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-12-29', 'end datetime': '2015-12-29'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-12-23', 'end datetime': '2016-12-23'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-08T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-08T00:00:00', 'unit': 'kg', 'value': 117.97}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-08T00:00:00', 'unit': 'kg/m2', 'value': 37.27}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-08T00:00:00', 'unit': 'mmHg', 'value': 119.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-08T00:00:00', 'unit': 'mmHg', 'value': 78.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-26T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-26T00:00:00', 'unit': 'kg', 'value': 116.9}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-26T00:00:00', 'unit': 'kg/m2', 'value': 36.93}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-26T00:00:00', 'unit': 'mmHg', 'value': 102.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-26T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Measurement 11: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 12: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'kg', 'value': 115.11}
Measurement 13: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'kg/m2', 'value': 36.36}
Measurement 14: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'mmHg', 'value': 120.0}
Measurement 15: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'mmHg', 'value': 78.0}
Measurement 16: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'mg/dL', 'value': 195.0}
Measurement 17: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'mg/dL', 'value': 145.0}
Measurement 18: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'mg/dL', 'value': 95.0}
Measurement 19: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-30T00:00:00', 'unit': 'mg/dL', 'value': 71.0}
Measurement 20: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-03T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 21: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-03T00:00:00', 'unit': 'kg', 'value': 114.0}
Measurement 22: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-03T00:00:00', 'unit': 'kg/m2', 'value': 36.01}
Measurement 23: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-03T00:00:00', 'unit': 'mmHg', 'value': 107.0}
Measurement 24: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-03T00:00:00', 'unit': 'mmHg', 'value': 80.0}
Measurement 25: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-30T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 26: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-30T00:00:00', 'unit': 'kg', 'value': 112.71}
Measurement 27: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-30T00:00:00', 'unit': 'kg/m2', 'value': 35.61}
Measurement 28: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-30T00:00:00', 'unit': 'mmHg', 'value': 139.0}
Measurement 29: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-30T00:00:00', 'unit': 'mmHg', 'value': 73.0}
Measurement 30: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-29T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 31: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-29T00:00:00', 'unit': 'kg', 'value': 110.99}
Measurement 32: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-29T00:00:00', 'unit': 'kg/m2', 'value': 35.06}
Measurement 33: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-29T00:00:00', 'unit': 'mmHg', 'value': 128.0}
Measurement 34: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-29T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Measurement 35: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'cm', 'value': 177.92}
Measurement 36: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'kg', 'value': 109.55}
Measurement 37: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'kg/m2', 'value': 34.61}
Measurement 38: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'mmHg', 'value': 100.0}
Measurement 39: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Measurement 40: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'mg/dL', 'value': 169.0}
Measurement 41: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'mg/dL', 'value': 116.0}
Measurement 42: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'mg/dL', 'value': 70.0}
Measurement 43: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-23T00:00:00', 'unit': 'mg/dL', 'value': 75.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-01-30', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Colonoscopy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-06-29', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-03-03', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-01-30', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Clopidogrel 75 MG Oral Tablet', 'Start datetime': '2006-06-29', 'End datetime': '2006-06-29', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Simvastatin 20 MG Oral Tablet', 'Start datetime': '2006-06-29', 'End datetime': '2006-06-29', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Amlodipine 5 MG Oral Tablet', 'Start datetime': '2006-06-29', 'End datetime': '2006-06-29', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '2006-06-29', 'End datetime': '2006-06-29', '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. Chlorpheniramine 2 MG Chewable Tablet
B. Penicillin V Potassium 500 MG
C. NuvaRing 0.12/0.015 MG per 24HR 21 Day Vaginal Ring
D. Acetaminophen 325 MG Oral Tablet
E. Insulin Lispro 100 UNT/ML Injectable Solution [Humalog]

Please share a single capital letter representing your selected answer: 
Chlorpheniramine 2 MG Chewable Tablet Penicillin V Potassium 500 MG NuvaRing 0.12/0.015 MG per 24HR 21 Day Vaginal Ring Acetaminophen 325 MG Oral Tablet Insulin Lispro 100 UNT/ML Injectable Solution [Humalog]