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': 'FEMALE', 'year of birth': 1983}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-10-30', 'end datetime': '2011-10-30'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-02-27', 'end datetime': '2012-02-27'}
Visit 3: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-08-09', 'end datetime': '2013-08-09'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-09-19', 'end datetime': '2013-09-19'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-02-29', 'end datetime': '2016-02-29'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2017-03-31', 'end datetime': '2017-03-31'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'cm', 'value': 171.44}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'kg', 'value': 94.29}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'kg/m2', 'value': 32.08}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'mmHg', 'value': 129.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Measurement 6: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'mg/dL', 'value': 171.0}
Measurement 7: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'mg/dL', 'value': 125.0}
Measurement 8: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'mg/dL', 'value': 80.0}
Measurement 9: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-09-19T00:00:00', 'unit': 'mg/dL', 'value': 66.0}
Measurement 10: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'cm', 'value': 171.44}
Measurement 11: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'kg', 'value': 100.01}
Measurement 12: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'kg/m2', 'value': 34.03}
Measurement 13: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'mmHg', 'value': 118.0}
Measurement 14: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Measurement 15: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'mg/dL', 'value': 198.0}
Measurement 16: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'mg/dL', 'value': 116.0}
Measurement 17: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'mg/dL', 'value': 107.0}
Measurement 18: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2017-03-31T00:00:00', 'unit': 'mg/dL', 'value': 67.0}
Procedure 1: {'procedure': 'Replacement of subcutaneous contraceptive', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-02-27', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Suture open wound', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-08-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-09-19', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Replacement of subcutaneous contraceptive', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-02-29', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2017-03-31', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1993-08-23', 'End datetime': '1993-08-23', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Implanon 68 MG Drug Implant', 'Start datetime': '2008-02-18', 'End datetime': '2008-02-18', '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. Penicillin V Potassium 500 MG
B. NuvaRing 0.12/0.015 MG per 24HR 21 Day Vaginal Ring
C. Naproxen sodium 220 MG Oral Tablet
D. Acetaminophen 160 MG
E. Clopidogrel 75 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Penicillin V Potassium 500 MG NuvaRing 0.12/0.015 MG per 24HR 21 Day Vaginal Ring Naproxen sodium 220 MG Oral Tablet Acetaminophen 160 MG Clopidogrel 75 MG Oral Tablet