You are an assistant tasked with analyzing medical histories to determine which medication is missing from the patient’s current regimen.

<PatientData>
Demographics: {'race': None, 'gender': 'FEMALE', 'year of birth': 1990}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-07-23', 'end datetime': '2010-07-23'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-01-06', 'end datetime': '2011-01-06'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-05-23', 'end datetime': '2013-05-23'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-03-21', 'end datetime': '2015-03-21'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-12-10', 'end datetime': '2015-12-10'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-01-14', 'end datetime': '2016-01-14'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-03-31', 'end datetime': '2016-03-31'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-12', 'end datetime': '2016-05-12'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-06-09', 'end datetime': '2016-06-09'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-06-23', 'end datetime': '2016-06-23'}
Visit 11: {'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': '2010-07-23T00:00:00', 'unit': 'cm', 'value': 175.46}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-07-23T00:00:00', 'unit': 'kg', 'value': 90.84}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-07-23T00:00:00', 'unit': 'kg/m2', 'value': 29.51}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-07-23T00:00:00', 'unit': 'mmHg', 'value': 185.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-07-23T00:00:00', 'unit': 'mmHg', 'value': 95.0}
Measurement 6: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2010-07-23T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 7: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-01-06T00:00:00', 'unit': 'Cel', 'value': 37.43}
Measurement 8: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-05-23T00:00:00', 'unit': 'cm', 'value': 175.46}
Measurement 9: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-05-23T00:00:00', 'unit': 'kg', 'value': 93.83}
Measurement 10: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-05-23T00:00:00', 'unit': 'kg/m2', 'value': 30.48}
Measurement 11: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-05-23T00:00:00', 'unit': 'mmHg', 'value': 168.0}
Measurement 12: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-05-23T00:00:00', 'unit': 'mmHg', 'value': 108.0}
Measurement 13: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2013-05-23T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 14: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'cm', 'value': 175.46}
Measurement 15: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'kg', 'value': 100.15}
Measurement 16: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'kg/m2', 'value': 32.53}
Measurement 17: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mmHg', 'value': 149.0}
Measurement 18: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mmHg', 'value': 106.0}
Measurement 19: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-07T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Procedure 1: {'procedure': 'Throat culture (procedure) ', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-01-06', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-12-10', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Epidural anesthesia', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-06-23', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Premature birth of newborn', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-06-23', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '2002-04-11', 'End datetime': '2002-04-11', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '2011-01-06', 'End datetime': '2011-01-06', '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. Terfenadine 60 MG Oral Tablet
C. Chlorpheniramine 2 MG Chewable Tablet
D. cetirizine hydrochloride 5 MG Oral Tablet
E. Ibuprofen 100 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Ortho Tri-Cyclen 28 Day Pack Terfenadine 60 MG Oral Tablet Chlorpheniramine 2 MG Chewable Tablet cetirizine hydrochloride 5 MG Oral Tablet Ibuprofen 100 MG Oral Tablet