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': 2004}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-12-30', 'end datetime': '2010-12-30'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-10-30', 'end datetime': '2011-10-30'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-02-03', 'end datetime': '2012-02-03'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-09', 'end datetime': '2013-03-09'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-03-12', 'end datetime': '2014-03-12'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-02-10', 'end datetime': '2015-02-10'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-03-15', 'end datetime': '2015-03-15'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-04-02', 'end datetime': '2016-04-02'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2017-04-11', 'end datetime': '2017-04-11'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-30T00:00:00', 'unit': 'cm', 'value': 126.93}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-30T00:00:00', 'unit': 'kg', 'value': 24.68}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-30T00:00:00', 'unit': 'kg/m2', 'value': 15.32}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-30T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-30T00:00:00', 'unit': 'mmHg', 'value': 79.0}
Measurement 6: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-30T00:00:00', 'unit': 'Cel', 'value': 38.18}
Measurement 7: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-03T00:00:00', 'unit': 'cm', 'value': 134.68}
Measurement 8: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-03T00:00:00', 'unit': 'kg', 'value': 28.06}
Measurement 9: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-03T00:00:00', 'unit': 'kg/m2', 'value': 15.47}
Measurement 10: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-03T00:00:00', 'unit': 'mmHg', 'value': 102.0}
Measurement 11: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-03T00:00:00', 'unit': 'mmHg', 'value': 83.0}
Measurement 12: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-09T00:00:00', 'unit': 'cm', 'value': 141.99}
Measurement 13: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-09T00:00:00', 'unit': 'kg', 'value': 31.89}
Measurement 14: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-09T00:00:00', 'unit': 'kg/m2', 'value': 15.82}
Measurement 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-09T00:00:00', 'unit': 'mmHg', 'value': 100.0}
Measurement 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-03-09T00:00:00', 'unit': 'mmHg', 'value': 87.0}
Measurement 17: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-12T00:00:00', 'unit': 'cm', 'value': 148.16}
Measurement 18: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-12T00:00:00', 'unit': 'kg', 'value': 36.03}
Measurement 19: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-12T00:00:00', 'unit': 'kg/m2', 'value': 16.41}
Measurement 20: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-12T00:00:00', 'unit': 'mmHg', 'value': 136.0}
Measurement 21: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-03-12T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Measurement 22: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-15T00:00:00', 'unit': 'cm', 'value': 154.37}
Measurement 23: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-15T00:00:00', 'unit': 'kg', 'value': 41.29}
Measurement 24: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-15T00:00:00', 'unit': 'kg/m2', 'value': 17.32}
Measurement 25: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-15T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Measurement 26: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-03-15T00:00:00', 'unit': 'mmHg', 'value': 88.0}
Measurement 27: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-04-02T00:00:00', 'unit': 'cm', 'value': 160.35}
Measurement 28: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-04-02T00:00:00', 'unit': 'kg', 'value': 46.81}
Measurement 29: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-04-02T00:00:00', 'unit': 'kg/m2', 'value': 18.21}
Measurement 30: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-04-02T00:00:00', 'unit': 'mmHg', 'value': 130.0}
Measurement 31: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-04-02T00:00:00', 'unit': 'mmHg', 'value': 82.0}
Measurement 32: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-11T00:00:00', 'unit': 'cm', 'value': 167.42}
Measurement 33: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-11T00:00:00', 'unit': 'kg', 'value': 52.8}
Measurement 34: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-11T00:00:00', 'unit': 'kg/m2', 'value': 18.84}
Measurement 35: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-11T00:00:00', 'unit': 'mmHg', 'value': 103.0}
Measurement 36: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-11T00:00:00', 'unit': 'mmHg', 'value': 87.0}
Procedure 1: {'procedure': 'Throat culture (procedure) ', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-10-30', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-02-03', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-03-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-03-12', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-03-15', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 6: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2017-04-11', '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. Tacrine 10 MG Oral Capsule
B. cetirizine hydrochloride 5 MG Oral Tablet
C. Penicillin V Potassium 250 MG
D. Methylphenidate Hydrochloride 20 MG [Ritalin]
E. Clopidogrel 75 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Tacrine 10 MG Oral Capsule cetirizine hydrochloride 5 MG Oral Tablet Penicillin V Potassium 250 MG Methylphenidate Hydrochloride 20 MG [Ritalin] Clopidogrel 75 MG Oral Tablet