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': 1917}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2001-05-04', 'end datetime': '2001-05-04'}
Measurement 1: {'measurement': 'Pneumonia', 'measurement type': 'EHR encounter record', 'measurement date': '2001-05-04T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1919-05-25', 'End datetime': '1919-05-25', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1928-03-04', 'End datetime': '1928-03-04', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Tacrine 10 MG Oral Capsule', 'Start datetime': '1995-01-31', 'End datetime': '1995-01-31', '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. canagliflozin 100 MG Oral Tablet
C. Amlodipine 5 MG Oral Tablet
D. Penicillin V Potassium 500 MG
E. cetirizine hydrochloride 10 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
pregabalin 100 MG [Lyrica] canagliflozin 100 MG Oral Tablet Amlodipine 5 MG Oral Tablet Penicillin V Potassium 500 MG cetirizine hydrochloride 10 MG Oral Tablet