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': 1951}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '1990-05-21', 'end datetime': '1990-05-21'}
Measurement 1: {'measurement': 'Cardiac Arrest', 'measurement type': 'EHR encounter record', 'measurement date': '1990-05-21T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '1989-10-12', 'End datetime': '1989-10-12', '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. Tacrine 10 MG Oral Capsule
B. Insulin Lispro 100 UNT/ML Injectable Solution [Humalog]
C. Chlorpheniramine 2 MG Chewable Tablet
D. Chlorpheniramine 8 MG Oral Tablet
E. NITROFURANTOIN  MACROCRYSTALS 50 MG [Macrodantin]

Please share a single capital letter representing your selected answer: 
Tacrine 10 MG Oral Capsule Insulin Lispro 100 UNT/ML Injectable Solution [Humalog] Chlorpheniramine 2 MG Chewable Tablet Chlorpheniramine 8 MG Oral Tablet NITROFURANTOIN  MACROCRYSTALS 50 MG [Macrodantin]