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': '1965-12-08', 'end datetime': '1965-12-08'}
Measurement 1: {'measurement': 'Non-small cell lung cancer (disorder)', 'measurement type': 'EHR encounter record', 'measurement date': '1965-12-08T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Acetaminophen 325 MG / HYDROcodone Bitartrate 7.5 MG Oral Tablet', 'Start datetime': '1961-07-01', 'End datetime': '1961-07-01', '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. Estrostep Fe 28 Day Pack
B. 24 HR Metformin hydrochloride 500 MG Extended Release Oral Tablet
C. 0.3 ML EPINEPHrine 0.5 MG/ML Auto-Injector
D. Nexplanon 68 MG Drug Implant
E. predniSONE 5 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Estrostep Fe 28 Day Pack 24 HR Metformin hydrochloride 500 MG Extended Release Oral Tablet 0.3 ML EPINEPHrine 0.5 MG/ML Auto-Injector Nexplanon 68 MG Drug Implant predniSONE 5 MG Oral Tablet