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': 1992}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-07-03', 'end datetime': '2010-07-03'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-12-05', 'end datetime': '2010-12-05'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-09-26', 'end datetime': '2011-09-26'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-10-21', 'end datetime': '2011-10-21'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-11-05', 'end datetime': '2012-11-05'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-11-16', 'end datetime': '2015-11-16'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-07-02', 'end datetime': '2016-07-02'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2017-02-18', 'end datetime': '2017-02-18'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-05T00:00:00', 'unit': 'cm', 'value': 167.75}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-05T00:00:00', 'unit': 'kg', 'value': 54.76}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-05T00:00:00', 'unit': 'kg/m2', 'value': 19.46}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-05T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-05T00:00:00', 'unit': 'mmHg', 'value': 80.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-21T00:00:00', 'unit': 'cm', 'value': 168.14}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-21T00:00:00', 'unit': 'kg', 'value': 56.05}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-21T00:00:00', 'unit': 'kg/m2', 'value': 19.83}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-21T00:00:00', 'unit': 'mmHg', 'value': 126.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-21T00:00:00', 'unit': 'mmHg', 'value': 85.0}
Measurement 11: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': '%', 'value': 6.2}
Measurement 12: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'cm', 'value': 168.37}
Measurement 13: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'kg', 'value': 58.03}
Measurement 14: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'kg/m2', 'value': 20.47}
Measurement 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mmHg', 'value': 131.0}
Measurement 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Measurement 17: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': '%', 'value': 6.2}
Measurement 18: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mg/dL', 'value': 89.0}
Measurement 19: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mg/dL', 'value': 9.0}
Measurement 20: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 21: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mg/dL', 'value': 8.56}
Measurement 22: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mmol/L', 'value': 144.0}
Measurement 23: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mmol/L', 'value': 4.9}
Measurement 24: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mmol/L', 'value': 103.0}
Measurement 25: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2012-11-05T00:00:00', 'unit': 'mmol/L', 'value': 20.0}
Measurement 26: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': '%', 'value': 5.9}
Measurement 27: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'cm', 'value': 168.37}
Measurement 28: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'kg', 'value': 61.69}
Measurement 29: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'kg/m2', 'value': 21.76}
Measurement 30: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mmHg', 'value': 107.0}
Measurement 31: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Measurement 32: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': '%', 'value': 5.9}
Measurement 33: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mg/dL', 'value': 75.0}
Measurement 34: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mg/dL', 'value': 13.0}
Measurement 35: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 36: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mg/dL', 'value': 9.9}
Measurement 37: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mmol/L', 'value': 143.0}
Measurement 38: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mmol/L', 'value': 3.93}
Measurement 39: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mmol/L', 'value': 109.0}
Measurement 40: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2015-11-16T00:00:00', 'unit': 'mmol/L', 'value': 26.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2010-12-05', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-11-16', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Sputum examination (procedure)', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-07-02', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>

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

A. Nexplanon 68 MG Drug Implant
B. Naproxen sodium 220 MG [Aleve]
C. oxaliplatin 5 MG/ML [Eloxatin]
D. Meperidine Hydrochloride 50 MG Oral Tablet
E. Acetaminophen 160 MG

Please share a single capital letter representing your selected answer: 
Nexplanon 68 MG Drug Implant Naproxen sodium 220 MG [Aleve] oxaliplatin 5 MG/ML [Eloxatin] Meperidine Hydrochloride 50 MG Oral Tablet Acetaminophen 160 MG