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': 1988}
Visit 1: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-02-07', 'end datetime': '2011-02-07'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-02-16', 'end datetime': '2012-02-16'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-03-29', 'end datetime': '2014-03-29'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-05-03', 'end datetime': '2014-05-03'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-07-19', 'end datetime': '2014-07-19'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-08-30', 'end datetime': '2014-08-30'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-09-27', 'end datetime': '2014-09-27'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-10-11', 'end datetime': '2014-10-11'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-10-18', 'end datetime': '2014-10-18'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-10-25', 'end datetime': '2014-10-25'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-11-01', 'end datetime': '2014-11-01'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-01-14', 'end datetime': '2015-01-14'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-02-14', 'end datetime': '2015-02-14'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-02-22', 'end datetime': '2015-02-22'}
Visit 15: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-01-23', 'end datetime': '2016-01-23'}
Visit 16: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-02-27', 'end datetime': '2016-02-27'}
Visit 17: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-14', 'end datetime': '2016-05-14'}
Visit 18: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-06-25', 'end datetime': '2016-06-25'}
Visit 19: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-07-23', 'end datetime': '2016-07-23'}
Visit 20: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-08-06', 'end datetime': '2016-08-06'}
Visit 21: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-08-13', 'end datetime': '2016-08-13'}
Visit 22: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-08-20', 'end datetime': '2016-08-20'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-16T00:00:00', 'unit': 'cm', 'value': 158.77}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-16T00:00:00', 'unit': 'kg', 'value': 55.09}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-16T00:00:00', 'unit': 'kg/m2', 'value': 21.86}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-16T00:00:00', 'unit': 'mmHg', 'value': 138.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-16T00:00:00', 'unit': 'mmHg', 'value': 83.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-14T00:00:00', 'unit': 'cm', 'value': 158.77}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-14T00:00:00', 'unit': 'kg', 'value': 59.19}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-14T00:00:00', 'unit': 'kg/m2', 'value': 23.48}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-14T00:00:00', 'unit': 'mmHg', 'value': 111.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-14T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-02-16', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-03-29', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Epidural anesthesia', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-11-01', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Cesarean section', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-11-01', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-02-14', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 6: {'procedure': 'Induced termination of pregnancy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-02-22', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 7: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-01-23', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 8: {'procedure': 'Epidural anesthesia', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-08-13', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 9: {'procedure': 'Premature birth of newborn', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-08-13', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Ibuprofen 200 MG Oral Tablet', 'Start datetime': '2011-02-07', 'End datetime': '2011-03-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Levora 0.15/30 28 Day Pack', 'Start datetime': '2016-08-20', 'End datetime': '2016-08-20', '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. Ortho Tri-Cyclen 28 Day Pack
B. Mestranol / Norethynodrel [Enovid]
C. Errin 28 Day Pack
D.  Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]
E. Clopidogrel 75 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Ortho Tri-Cyclen 28 Day Pack Mestranol / Norethynodrel [Enovid] Errin 28 Day Pack  Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin] Clopidogrel 75 MG Oral Tablet