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': 'FEMALE', 'year of birth': 2005}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-11-15', 'end datetime': '2010-11-15'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-22', 'end datetime': '2011-05-22'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-09-10', 'end datetime': '2011-09-10'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-08-17', 'end datetime': '2012-08-17'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-06', 'end datetime': '2013-06-06'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-11-06', 'end datetime': '2013-11-06'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-04-11', 'end datetime': '2014-04-11'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-03-16', 'end datetime': '2015-03-16'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-12-19', 'end datetime': '2015-12-19'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-01-20', 'end datetime': '2016-01-20'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-08-17', 'end datetime': '2016-08-17'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-12-28', 'end datetime': '2016-12-28'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-15T00:00:00', 'unit': 'cm', 'value': 110.52}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-15T00:00:00', 'unit': 'kg', 'value': 27.55}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-15T00:00:00', 'unit': 'kg/m2', 'value': 22.56}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-15T00:00:00', 'unit': 'mmHg', 'value': 124.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-11-15T00:00:00', 'unit': 'mmHg', 'value': 80.0}
Measurement 6: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-22T00:00:00', 'unit': 'Cel', 'value': 38.0}
Measurement 7: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-09-10T00:00:00', 'unit': 'cm', 'value': 116.18}
Measurement 8: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-09-10T00:00:00', 'unit': 'kg', 'value': 31.07}
Measurement 9: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-09-10T00:00:00', 'unit': 'kg/m2', 'value': 23.02}
Measurement 10: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-09-10T00:00:00', 'unit': 'mmHg', 'value': 111.0}
Measurement 11: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-09-10T00:00:00', 'unit': 'mmHg', 'value': 86.0}
Measurement 12: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-17T00:00:00', 'unit': 'cm', 'value': 121.98}
Measurement 13: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-17T00:00:00', 'unit': 'kg', 'value': 35.42}
Measurement 14: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-17T00:00:00', 'unit': 'kg/m2', 'value': 23.81}
Measurement 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-17T00:00:00', 'unit': 'mmHg', 'value': 135.0}
Measurement 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-08-17T00:00:00', 'unit': 'mmHg', 'value': 86.0}
Measurement 17: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-06T00:00:00', 'unit': 'cm', 'value': 126.68}
Measurement 18: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-06T00:00:00', 'unit': 'kg', 'value': 39.96}
Measurement 19: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-06T00:00:00', 'unit': 'kg/m2', 'value': 24.9}
Measurement 20: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-06T00:00:00', 'unit': 'mmHg', 'value': 124.0}
Measurement 21: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-06-06T00:00:00', 'unit': 'mmHg', 'value': 73.0}
Measurement 22: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-06T00:00:00', 'unit': 'Cel', 'value': 37.58}
Measurement 23: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'cm', 'value': 130.88}
Measurement 24: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'kg', 'value': 45.13}
Measurement 25: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'kg/m2', 'value': 26.34}
Measurement 26: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'mmHg', 'value': 133.0}
Measurement 27: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-11T00:00:00', 'unit': 'mmHg', 'value': 78.0}
Measurement 28: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-16T00:00:00', 'unit': 'cm', 'value': 135.34}
Measurement 29: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-16T00:00:00', 'unit': 'kg', 'value': 51.43}
Measurement 30: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-16T00:00:00', 'unit': 'kg/m2', 'value': 28.08}
Measurement 31: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-16T00:00:00', 'unit': 'mmHg', 'value': 134.0}
Measurement 32: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-16T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Measurement 33: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-20T00:00:00', 'unit': 'cm', 'value': 140.59}
Measurement 34: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-20T00:00:00', 'unit': 'kg', 'value': 58.11}
Measurement 35: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-20T00:00:00', 'unit': 'kg/m2', 'value': 29.4}
Measurement 36: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-20T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Measurement 37: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-20T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Measurement 38: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2016-08-17T00:00:00', 'unit': 'Cel', 'value': 37.0}
Measurement 39: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-28T00:00:00', 'unit': 'cm', 'value': 147.11}
Measurement 40: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-28T00:00:00', 'unit': 'kg', 'value': 64.74}
Measurement 41: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-28T00:00:00', 'unit': 'kg/m2', 'value': 29.92}
Measurement 42: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-28T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Measurement 43: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-12-28T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Procedure 1: {'procedure': 'Throat culture (procedure) ', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-05-22', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-09-10', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-08-17', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-03-16', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-01-20', '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. Estrostep Fe 28 Day Pack
B. Penicillin V Potassium 250 MG
C. Allopurinol 100 MG [Zyloprim]
D. Leucovorin 100 MG Injection
E. Astemizole 10 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Estrostep Fe 28 Day Pack Penicillin V Potassium 250 MG Allopurinol 100 MG [Zyloprim] Leucovorin 100 MG Injection Astemizole 10 MG Oral Tablet