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': 1985}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-04-20', 'end datetime': '2012-04-20'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-05-21', 'end datetime': '2012-05-21'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-21', 'end datetime': '2012-07-21'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-08-13', 'end datetime': '2015-08-13'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2017-01-23', 'end datetime': '2017-01-23'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-21T00:00:00', 'unit': 'cm', 'value': 190.18}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-21T00:00:00', 'unit': 'kg', 'value': 79.29}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-21T00:00:00', 'unit': 'kg/m2', 'value': 21.92}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-21T00:00:00', 'unit': 'mmHg', 'value': 167.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-21T00:00:00', 'unit': 'mmHg', 'value': 93.0}
Measurement 6: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-21T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 7: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'cm', 'value': 190.18}
Measurement 8: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'kg', 'value': 84.09}
Measurement 9: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'kg/m2', 'value': 23.25}
Measurement 10: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mmHg', 'value': 179.0}
Measurement 11: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mmHg', 'value': 100.0}
Measurement 12: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mg/dL', 'value': 168.0}
Measurement 13: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mg/dL', 'value': 129.0}
Measurement 14: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mg/dL', 'value': 63.0}
Measurement 15: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mg/dL', 'value': 79.0}
Measurement 16: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2015-08-13T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-08-13', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>

Based on the EHR history above, which medication **should also be on the list today**?

A. Chlorpheniramine 2 MG Chewable Tablet
B. Nitrofurantoin 5 MG/ML [Furadantin]
C. diphenhydrAMINE Hydrochloride 25 MG Oral Tablet
D. Amoxicillin 200 MG Oral Tablet
E.  Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]

Please share a single capital letter representing your selected answer: 
Chlorpheniramine 2 MG Chewable Tablet Nitrofurantoin 5 MG/ML [Furadantin] diphenhydrAMINE Hydrochloride 25 MG Oral Tablet Amoxicillin 200 MG Oral Tablet  Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]