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': 1947}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2006-07-31', 'end datetime': '2006-07-31'}
Measurement 1: {'measurement': 'Stroke', 'measurement type': 'EHR encounter record', 'measurement date': '2006-07-31T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '1987-05-22', 'End datetime': '1987-05-22', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Simvastatin 20 MG Oral Tablet', 'Start datetime': '1991-12-10', 'End datetime': '1991-12-10', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Amlodipine 5 MG Oral Tablet', 'Start datetime': '1994-01-15', 'End datetime': '1994-01-15', '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. Clopidogrel 75 MG Oral Tablet
B. Acetaminophen 325 MG / oxyCODONE Hydrochloride 5 MG Oral Tablet
C. Yaz 28 Day Pack
D. predniSONE 5 MG Oral Tablet
E. 24 HR Metformin hydrochloride 500 MG Extended Release Oral Tablet

Please share a single capital letter representing your selected answer: 
Clopidogrel 75 MG Oral Tablet Acetaminophen 325 MG / oxyCODONE Hydrochloride 5 MG Oral Tablet Yaz 28 Day Pack predniSONE 5 MG Oral Tablet 24 HR Metformin hydrochloride 500 MG Extended Release Oral Tablet