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': 1959}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '1978-11-15', 'end datetime': '1978-11-15'}
Measurement 1: {'measurement': 'Myocardial Infarction', 'measurement type': 'EHR encounter record', 'measurement date': '1978-11-15T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Meperidine Hydrochloride 50 MG Oral Tablet', 'Start datetime': '1975-04-29', 'End datetime': '1975-04-29', '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. Naproxen sodium 220 MG [Aleve]
B. Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]
C. Dextromethorphan Hydrobromide 1 MG/ML
D. 1 ML Depo-Provera 150 MG/ML Injection
E. Allopurinol 100 MG [Zyloprim]

Please share a single capital letter representing your selected answer: 
Naproxen sodium 220 MG [Aleve] Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual] Dextromethorphan Hydrobromide 1 MG/ML 1 ML Depo-Provera 150 MG/ML Injection Allopurinol 100 MG [Zyloprim]