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': 1942}
Visit 1: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-02-02', 'end datetime': '2011-02-02'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-20', 'end datetime': '2011-05-20'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-07-03', 'end datetime': '2011-07-03'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-03-10', 'end datetime': '2012-03-10'}
Measurement 1: {'measurement': 'DXA [T-score] Bone density', 'measurement type': 'EHR encounter record', 'measurement date': '2011-02-02T00:00:00', 'unit': '{T-score}', 'value': 0.44}
Measurement 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-07-03T00:00:00', 'unit': 'cm', 'value': 189.51}
Measurement 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-07-03T00:00:00', 'unit': 'kg', 'value': 88.07}
Measurement 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-07-03T00:00:00', 'unit': 'kg/m2', 'value': 24.52}
Measurement 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-07-03T00:00:00', 'unit': 'mmHg', 'value': 134.0}
Measurement 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-07-03T00:00:00', 'unit': 'mmHg', 'value': 70.0}
Measurement 7: {'measurement': "Familial Alzheimer's disease of early onset (disorder)", 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-10T00:00:00', 'unit': None, 'value': None}
Procedure 1: {'procedure': 'Bone immobilization', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-02-02', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Bone density scan (procedure)', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-02-02', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-07-03', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Galantamine 4 MG [Razadyne]', 'Start datetime': '2003-10-30', 'End datetime': '2003-10-30', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Naproxen sodium 220 MG Oral Tablet', 'Start datetime': '2011-02-02', 'End datetime': '2011-05-20', '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. Memantine hydrochloride 2 MG/ML [Namenda]
C. Mirena 52 MG Intrauterine System
D. NITROFURANTOIN  MACROCRYSTALS 50 MG [Macrodantin]
E. Acetaminophen 325 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Estrostep Fe 28 Day Pack Memantine hydrochloride 2 MG/ML [Namenda] Mirena 52 MG Intrauterine System NITROFURANTOIN  MACROCRYSTALS 50 MG [Macrodantin] Acetaminophen 325 MG Oral Tablet