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': 1996}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-03-26', 'end datetime': '2011-03-26'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-03-28', 'end datetime': '2012-03-28'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-11-05', 'end datetime': '2012-11-05'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-28', 'end datetime': '2013-03-28'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-04-05', 'end datetime': '2013-04-05'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-08-11', 'end datetime': '2013-08-11'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-02-19', 'end datetime': '2014-02-19'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-04-11', 'end datetime': '2014-04-11'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-05-08', 'end datetime': '2015-05-08'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-17', 'end datetime': '2016-05-17'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-26T00:00:00', 'unit': 'cm', 'value': 174.9}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-26T00:00:00', 'unit': 'kg', 'value': 48.34}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-26T00:00:00', 'unit': 'kg/m2', 'value': 15.8}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-26T00:00:00', 'unit': 'mmHg', 'value': 104.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-03-26T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-28T00:00:00', 'unit': 'cm', 'value': 177.86}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-28T00:00:00', 'unit': 'kg', 'value': 52.61}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-28T00:00:00', 'unit': 'kg/m2', 'value': 16.63}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-28T00:00:00', 'unit': 'mmHg', 'value': 135.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-28T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Measurement 11: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-04-05T00:00:00', 'unit': 'cm', 'value': 179.3}
Measurement 12: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-04-05T00:00:00', 'unit': 'kg', 'value': 55.95}
Measurement 13: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-04-05T00:00:00', 'unit': 'kg/m2', 'value': 17.4}
Measurement 14: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-04-05T00:00:00', 'unit': 'mmHg', 'value': 116.0}
Measurement 15: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-04-05T00:00:00', 'unit': 'mmHg', 'value': 87.0}
Measurement 16: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'cm', 'value': 180.07}
Measurement 17: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'kg', 'value': 58.41}
Measurement 18: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'kg/m2', 'value': 18.01}
Measurement 19: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'mmHg', 'value': 104.0}
Measurement 20: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'mmHg', 'value': 74.0}
Measurement 21: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-08T00:00:00', 'unit': 'cm', 'value': 180.46}
Measurement 22: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-08T00:00:00', 'unit': 'kg', 'value': 60.09}
Measurement 23: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-08T00:00:00', 'unit': 'kg/m2', 'value': 18.45}
Measurement 24: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-08T00:00:00', 'unit': 'mmHg', 'value': 113.0}
Measurement 25: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-08T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Measurement 26: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-17T00:00:00', 'unit': 'cm', 'value': 180.59}
Measurement 27: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-17T00:00:00', 'unit': 'kg', 'value': 62.56}
Measurement 28: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-17T00:00:00', 'unit': 'kg/m2', 'value': 19.18}
Measurement 29: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-17T00:00:00', 'unit': 'mmHg', 'value': 126.0}
Measurement 30: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-05-17T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-03-28', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-04-05', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Measurement of respiratory function (procedure)', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-08-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-04-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-05-17', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>

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

A. Acetaminophen 160 MG
B. Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]
C. Naproxen sodium 220 MG Oral Tablet
D. Allopurinol 100 MG [Zyloprim]
E. Estrostep Fe 28 Day Pack

Please share a single capital letter representing your selected answer: 
Acetaminophen 160 MG Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual] Naproxen sodium 220 MG Oral Tablet Allopurinol 100 MG [Zyloprim] Estrostep Fe 28 Day Pack