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': 1937}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-10-04', 'end datetime': '2010-10-04'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-11-19', 'end datetime': '2011-11-19'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-04', 'end datetime': '2012-07-04'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-09', 'end datetime': '2012-07-09'}
Visit 5: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-09', 'end datetime': '2012-09-09'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-10-03', 'end datetime': '2012-10-03'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-10-10', 'end datetime': '2012-10-10'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-11-07', 'end datetime': '2012-11-07'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-11-22', 'end datetime': '2012-11-22'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-01-09', 'end datetime': '2013-01-09'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-02-06', 'end datetime': '2013-02-06'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-07', 'end datetime': '2013-03-07'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-13', 'end datetime': '2013-03-13'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-27', 'end datetime': '2013-03-27'}
Visit 15: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-05-15', 'end datetime': '2013-05-15'}
Visit 16: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-05-16', 'end datetime': '2014-05-16'}
Visit 17: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-03-24', 'end datetime': '2015-03-24'}
Visit 18: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-06-10', 'end datetime': '2015-06-10'}
Visit 19: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-07-07', 'end datetime': '2016-07-07'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-04T00:00:00', 'unit': 'cm', 'value': 158.66}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-04T00:00:00', 'unit': 'kg', 'value': 110.45}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-04T00:00:00', 'unit': 'kg/m2', 'value': 43.88}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-04T00:00:00', 'unit': 'mmHg', 'value': 123.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-04T00:00:00', 'unit': 'mmHg', 'value': 72.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-19T00:00:00', 'unit': 'cm', 'value': 158.66}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-19T00:00:00', 'unit': 'kg', 'value': 108.55}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-19T00:00:00', 'unit': 'kg/m2', 'value': 43.12}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-19T00:00:00', 'unit': 'mmHg', 'value': 107.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-19T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Measurement 11: {'measurement': 'DXA [T-score] Bone density', 'measurement type': 'EHR encounter record', 'measurement date': '2012-09-09T00:00:00', 'unit': '{T-score}', 'value': 0.0}
Measurement 12: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'cm', 'value': 158.66}
Measurement 13: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'kg', 'value': 106.76}
Measurement 14: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'kg/m2', 'value': 42.41}
Measurement 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'mmHg', 'value': 128.0}
Measurement 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'mmHg', 'value': 83.0}
Measurement 17: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'mg/dL', 'value': 161.0}
Measurement 18: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'mg/dL', 'value': 125.0}
Measurement 19: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'mg/dL', 'value': 69.0}
Measurement 20: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-07T00:00:00', 'unit': 'mg/dL', 'value': 67.0}
Measurement 21: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-16T00:00:00', 'unit': 'cm', 'value': 158.66}
Measurement 22: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-16T00:00:00', 'unit': 'kg', 'value': 105.3}
Measurement 23: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-16T00:00:00', 'unit': 'kg/m2', 'value': 41.83}
Measurement 24: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-16T00:00:00', 'unit': 'mmHg', 'value': 134.0}
Measurement 25: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-16T00:00:00', 'unit': 'mmHg', 'value': 83.0}
Measurement 26: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-24T00:00:00', 'unit': 'Cel', 'value': 37.0}
Measurement 27: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-06-10T00:00:00', 'unit': 'cm', 'value': 158.66}
Measurement 28: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-06-10T00:00:00', 'unit': 'kg', 'value': 103.53}
Measurement 29: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-06-10T00:00:00', 'unit': 'kg/m2', 'value': 41.13}
Measurement 30: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-06-10T00:00:00', 'unit': 'mmHg', 'value': 102.0}
Measurement 31: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-06-10T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Measurement 32: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'cm', 'value': 158.66}
Measurement 33: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'kg', 'value': 101.99}
Measurement 34: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'kg/m2', 'value': 40.52}
Measurement 35: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mmHg', 'value': 129.0}
Measurement 36: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mmHg', 'value': 88.0}
Measurement 37: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mg/dL', 'value': 167.0}
Measurement 38: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mg/dL', 'value': 137.0}
Measurement 39: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mg/dL', 'value': 76.0}
Measurement 40: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mg/dL', 'value': 63.0}
Procedure 1: {'procedure': 'Colonoscopy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-07-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Admission to orthopedic department', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-09-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Bone density scan (procedure)', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-09-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-03-07', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-06-10', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 6: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-07-07', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '1973-04-09', 'End datetime': '1973-04-09', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Naproxen sodium 220 MG Oral Tablet', 'Start datetime': '2012-09-09', 'End datetime': '2012-11-22', '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. Nexplanon 68 MG Drug Implant
B. Natazia 28 Day Pack
C. Methylphenidate Hydrochloride 20 MG [Ritalin]
D. Penicillin V Potassium 250 MG
E. Astemizole 10 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Nexplanon 68 MG Drug Implant Natazia 28 Day Pack Methylphenidate Hydrochloride 20 MG [Ritalin] Penicillin V Potassium 250 MG Astemizole 10 MG Oral Tablet