You are an assistant tasked with analyzing medical histories to determine which medication is missing from the patient’s current regimen.

<PatientData>
Demographics: {'race': 'Asian', 'gender': 'MALE', 'year of birth': 1938}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '1979-03-19', 'end datetime': '1979-03-19'}
Measurement 1: {'measurement': 'Cardiac Arrest', 'measurement type': 'EHR encounter record', 'measurement date': '1979-03-19T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '1957-11-02', 'End datetime': '1957-11-02', '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. Dextromethorphan Hydrobromide 1 MG/ML
B. insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin]
C. Implanon 68 MG Drug Implant
D. Penicillin V Potassium 250 MG
E. canagliflozin 100 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Dextromethorphan Hydrobromide 1 MG/ML insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin] Implanon 68 MG Drug Implant Penicillin V Potassium 250 MG canagliflozin 100 MG Oral Tablet