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': 1919}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '1965-02-17', 'end datetime': '1965-02-17'}
Measurement 1: {'measurement': 'Non-small cell lung cancer (disorder)', 'measurement type': 'EHR encounter record', 'measurement date': '1965-02-17T00:00:00', 'unit': None, 'value': None}
</PatientData>

Based on the EHR history above, which medication **should also be on the list today**?

A. Donepezil hydrochloride 10 MG / Memantine hydrochloride 28 MG [Namzaric]
B. Nitrofurantoin 5 MG/ML [Furadantin]
C. Amlodipine 5 MG Oral Tablet
D. Penicillin V Potassium 500 MG
E. Phenazopyridine hydrochloride 100 MG [Pyridium]

Please share a single capital letter representing your selected answer: 
Donepezil hydrochloride 10 MG / Memantine hydrochloride 28 MG [Namzaric] Nitrofurantoin 5 MG/ML [Furadantin] Amlodipine 5 MG Oral Tablet Penicillin V Potassium 500 MG Phenazopyridine hydrochloride 100 MG [Pyridium]