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': 1939}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-03-20', 'end datetime': '2011-03-20'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-06-18', 'end datetime': '2011-06-18'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-05-27', 'end datetime': '2012-05-27'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-30', 'end datetime': '2013-03-30'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-05-12', 'end datetime': '2013-05-12'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-08', 'end datetime': '2013-06-08'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-07-15', 'end datetime': '2014-07-15'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-09-04', 'end datetime': '2015-09-04'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-10', 'end datetime': '2016-05-10'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-11-13', 'end datetime': '2016-11-13'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-20T00:00:00', 'unit': 'cm', 'value': 178.3}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-20T00:00:00', 'unit': 'kg', 'value': 105.07}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-20T00:00:00', 'unit': 'kg/m2', 'value': 33.05}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-20T00:00:00', 'unit': 'mmHg', 'value': 136.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-20T00:00:00', 'unit': 'mmHg', 'value': 85.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'cm', 'value': 178.3}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'kg', 'value': 103.77}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'kg/m2', 'value': 32.64}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'mmHg', 'value': 107.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Measurement 11: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'mg/dL', 'value': 161.0}
Measurement 12: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'mg/dL', 'value': 107.0}
Measurement 13: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'mg/dL', 'value': 60.0}
Measurement 14: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-27T00:00:00', 'unit': 'mg/dL', 'value': 79.0}
Measurement 15: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-08T00:00:00', 'unit': 'cm', 'value': 178.3}
Measurement 16: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-08T00:00:00', 'unit': 'kg', 'value': 101.87}
Measurement 17: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-08T00:00:00', 'unit': 'kg/m2', 'value': 32.04}
Measurement 18: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-08T00:00:00', 'unit': 'mmHg', 'value': 108.0}
Measurement 19: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-08T00:00:00', 'unit': 'mmHg', 'value': 73.0}
Measurement 20: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-15T00:00:00', 'unit': 'cm', 'value': 178.3}
Measurement 21: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-15T00:00:00', 'unit': 'kg', 'value': 99.98}
Measurement 22: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-15T00:00:00', 'unit': 'kg/m2', 'value': 31.45}
Measurement 23: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-15T00:00:00', 'unit': 'mmHg', 'value': 101.0}
Measurement 24: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-15T00:00:00', 'unit': 'mmHg', 'value': 78.0}
Measurement 25: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'cm', 'value': 178.3}
Measurement 26: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'kg', 'value': 98.55}
Measurement 27: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'kg/m2', 'value': 31.0}
Measurement 28: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'mmHg', 'value': 110.0}
Measurement 29: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Measurement 30: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'mg/dL', 'value': 187.0}
Measurement 31: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'mg/dL', 'value': 144.0}
Measurement 32: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'mg/dL', 'value': 78.0}
Measurement 33: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-09-04T00:00:00', 'unit': 'mg/dL', 'value': 80.0}
Measurement 34: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-11-13T00:00:00', 'unit': 'cm', 'value': 178.3}
Measurement 35: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-11-13T00:00:00', 'unit': 'kg', 'value': 97.44}
Measurement 36: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-11-13T00:00:00', 'unit': 'kg/m2', 'value': 30.65}
Measurement 37: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-11-13T00:00:00', 'unit': 'mmHg', 'value': 120.0}
Measurement 38: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-11-13T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-03-20', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-05-27', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-09-04', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-11-13', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1941-07-12', 'End datetime': '1941-07-12', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1946-04-15', 'End datetime': '1946-04-15', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Naproxen sodium 220 MG [Aleve]', 'Start datetime': '2003-06-29', 'End datetime': '2003-06-29', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Naproxen sodium 550 MG [Anaprox]', 'Start datetime': '2011-06-18', 'End datetime': '2011-07-15', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 5: {'Drug name': 'Allopurinol 100 MG [Zyloprim]', 'Start datetime': '2011-06-18', 'End datetime': '2011-07-15', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 6: {'Drug name': 'Dextromethorphan Hydrobromide 1 MG/ML', 'Start datetime': '2013-03-30', 'End datetime': '2013-04-14', '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. Leucovorin 100 MG Injection
B. Phenazopyridine hydrochloride 100 MG [Pyridium]
C. Fexofenadine hydrochloride 60 MG Oral Tablet
D. Liletta 52 MG Intrauterine System
E. Penicillin V Potassium 500 MG

Please share a single capital letter representing your selected answer: 
Leucovorin 100 MG Injection Phenazopyridine hydrochloride 100 MG [Pyridium] Fexofenadine hydrochloride 60 MG Oral Tablet Liletta 52 MG Intrauterine System Penicillin V Potassium 500 MG