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': 1982}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-10-31', 'end datetime': '2011-10-31'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-02-16', 'end datetime': '2013-02-16'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-03-15', 'end datetime': '2014-03-15'}
Visit 4: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-11-14', 'end datetime': '2014-11-14'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-11-02', 'end datetime': '2015-11-02'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-05', 'end datetime': '2016-05-05'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-16', 'end datetime': '2016-05-16'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'cm', 'value': 165.25}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'kg', 'value': 104.93}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'kg/m2', 'value': 38.42}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'mmHg', 'value': 119.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Measurement 6: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'mg/dL', 'value': 193.0}
Measurement 7: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'mg/dL', 'value': 109.0}
Measurement 8: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'mg/dL', 'value': 93.0}
Measurement 9: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-16T00:00:00', 'unit': 'mg/dL', 'value': 78.0}
Measurement 10: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'cm', 'value': 165.25}
Measurement 11: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'kg', 'value': 109.88}
Measurement 12: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'kg/m2', 'value': 40.24}
Measurement 13: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'mmHg', 'value': 129.0}
Measurement 14: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Measurement 15: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'mg/dL', 'value': 180.0}
Measurement 16: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'mg/dL', 'value': 112.0}
Measurement 17: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'mg/dL', 'value': 95.0}
Measurement 18: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-05T00:00:00', 'unit': 'mg/dL', 'value': 62.0}
Procedure 1: {'procedure': 'Replacement of subcutaneous contraceptive', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-10-31', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Suture open wound', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-11-14', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Replacement of subcutaneous contraceptive', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-11-02', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1995-06-06', 'End datetime': '1995-06-06', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Implanon 68 MG Drug Implant', 'Start datetime': '2007-10-22', 'End datetime': '2007-10-22', '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. 24 HR Metformin hydrochloride 500 MG Extended Release Oral Tablet
B. Atomoxetine 100 MG [Strattera]
C. Norinyl 1+50 28 Day Pack
D. Naproxen sodium 220 MG Oral Tablet
E. Terfenadine 60 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
24 HR Metformin hydrochloride 500 MG Extended Release Oral Tablet Atomoxetine 100 MG [Strattera] Norinyl 1+50 28 Day Pack Naproxen sodium 220 MG Oral Tablet Terfenadine 60 MG Oral Tablet