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': 'MALE', 'year of birth': 1937}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-09-27', 'end datetime': '2010-09-27'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-08-30', 'end datetime': '2011-08-30'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-12-29', 'end datetime': '2011-12-29'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-08-03', 'end datetime': '2012-08-03'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-05-19', 'end datetime': '2013-05-19'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-07-18', 'end datetime': '2013-07-18'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-12-04', 'end datetime': '2013-12-04'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-05-23', 'end datetime': '2014-05-23'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-09-27T00:00:00', 'unit': 'cm', 'value': 179.1}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-09-27T00:00:00', 'unit': 'kg', 'value': 88.97}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-09-27T00:00:00', 'unit': 'kg/m2', 'value': 27.74}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-09-27T00:00:00', 'unit': 'mmHg', 'value': 113.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-09-27T00:00:00', 'unit': 'mmHg', 'value': 72.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-08-30T00:00:00', 'unit': 'cm', 'value': 179.1}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-08-30T00:00:00', 'unit': 'kg', 'value': 87.84}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-08-30T00:00:00', 'unit': 'kg/m2', 'value': 27.38}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-08-30T00:00:00', 'unit': 'mmHg', 'value': 111.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-08-30T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Measurement 11: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-03T00:00:00', 'unit': 'cm', 'value': 179.1}
Measurement 12: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-03T00:00:00', 'unit': 'kg', 'value': 86.69}
Measurement 13: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-03T00:00:00', 'unit': 'kg/m2', 'value': 27.02}
Measurement 14: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-03T00:00:00', 'unit': 'mmHg', 'value': 103.0}
Measurement 15: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-03T00:00:00', 'unit': 'mmHg', 'value': 79.0}
Measurement 16: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'cm', 'value': 179.1}
Measurement 17: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'kg', 'value': 86.69}
Measurement 18: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'kg/m2', 'value': 27.02}
Measurement 19: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'mmHg', 'value': 122.0}
Measurement 20: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Measurement 21: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'mg/dL', 'value': 161.0}
Measurement 22: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'mg/dL', 'value': 105.0}
Measurement 23: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'mg/dL', 'value': 65.0}
Measurement 24: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2013-07-18T00:00:00', 'unit': 'mg/dL', 'value': 75.0}
Measurement 25: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-23T00:00:00', 'unit': 'cm', 'value': 179.1}
Measurement 26: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-23T00:00:00', 'unit': 'kg', 'value': 85.59}
Measurement 27: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-23T00:00:00', 'unit': 'kg/m2', 'value': 26.68}
Measurement 28: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-23T00:00:00', 'unit': 'mmHg', 'value': 131.0}
Measurement 29: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-23T00:00:00', 'unit': 'mmHg', 'value': 82.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-08-30', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-08-03', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-07-18', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Colonoscopy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-12-04', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1938-01-07', 'End datetime': '1938-01-07', '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. pregabalin 100 MG [Lyrica]
B. Astemizole 10 MG Oral Tablet
C. Kyleena 19.5 MG Intrauterine System
D. NuvaRing 0.12/0.015 MG per 24HR 21 Day Vaginal Ring
E.  Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]

Please share a single capital letter representing your selected answer: 
pregabalin 100 MG [Lyrica] Astemizole 10 MG Oral Tablet Kyleena 19.5 MG Intrauterine System NuvaRing 0.12/0.015 MG per 24HR 21 Day Vaginal Ring  Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]