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': 2008}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-06-13', 'end datetime': '2010-06-13'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-06-24', 'end datetime': '2010-06-24'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-12-22', 'end datetime': '2010-12-22'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-19', 'end datetime': '2011-05-19'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-08-30', 'end datetime': '2011-08-30'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-09-27', 'end datetime': '2011-09-27'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-10-05', 'end datetime': '2011-10-05'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-10-23', 'end datetime': '2011-10-23'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-04-13', 'end datetime': '2012-04-13'}
Visit 10: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-06-24', 'end datetime': '2012-06-24'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-20', 'end datetime': '2012-09-20'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-10-19', 'end datetime': '2012-10-19'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-08-17', 'end datetime': '2013-08-17'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-07-16', 'end datetime': '2014-07-16'}
Visit 15: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-07-17', 'end datetime': '2015-07-17'}
Visit 16: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-07-14', 'end datetime': '2016-07-14'}
Measurement 1: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-13T00:00:00', 'unit': 'Cel', 'value': 38.53}
Measurement 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-24T00:00:00', 'unit': 'cm', 'value': 80.3}
Measurement 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-24T00:00:00', 'unit': 'kg', 'value': 11.98}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-24T00:00:00', 'unit': 'mmHg', 'value': 128.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-24T00:00:00', 'unit': 'mmHg', 'value': 86.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-22T00:00:00', 'unit': 'cm', 'value': 83.84}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-22T00:00:00', 'unit': 'kg', 'value': 12.76}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-22T00:00:00', 'unit': 'kg/m2', 'value': 18.15}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-22T00:00:00', 'unit': 'mmHg', 'value': 130.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-22T00:00:00', 'unit': 'mmHg', 'value': 79.0}
Measurement 11: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-19T00:00:00', 'unit': 'cm', 'value': 87.13}
Measurement 12: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-19T00:00:00', 'unit': 'kg', 'value': 13.41}
Measurement 13: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-19T00:00:00', 'unit': 'kg/m2', 'value': 17.66}
Measurement 14: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-19T00:00:00', 'unit': 'mmHg', 'value': 101.0}
Measurement 15: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-19T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Measurement 16: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-08-30T00:00:00', 'unit': 'Cel', 'value': 38.17}
Measurement 17: {'measurement': 'Peanut IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.29}
Measurement 18: {'measurement': 'Walnut IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.32}
Measurement 19: {'measurement': 'Codfish IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.27}
Measurement 20: {'measurement': 'Shrimp IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.08}
Measurement 21: {'measurement': 'Wheat IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.32}
Measurement 22: {'measurement': 'Egg white IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.23}
Measurement 23: {'measurement': 'Soybean IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.24}
Measurement 24: {'measurement': 'Cow milk IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.08}
Measurement 25: {'measurement': 'White oak IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.03}
Measurement 26: {'measurement': 'Common Ragweed IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.21}
Measurement 27: {'measurement': 'Cat dander IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.25}
Measurement 28: {'measurement': 'American house dust mite IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.27}
Measurement 29: {'measurement': 'Cladosporium herbarum IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.2}
Measurement 30: {'measurement': 'Honey bee IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.12}
Measurement 31: {'measurement': 'Latex IgE Ab in Serum', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-05T00:00:00', 'unit': 'kU/L', 'value': 0.33}
Measurement 32: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-23T00:00:00', 'unit': 'cm', 'value': 90.02}
Measurement 33: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-23T00:00:00', 'unit': 'kg', 'value': 14.09}
Measurement 34: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-23T00:00:00', 'unit': 'kg/m2', 'value': 17.39}
Measurement 35: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-23T00:00:00', 'unit': 'mmHg', 'value': 110.0}
Measurement 36: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-10-23T00:00:00', 'unit': 'mmHg', 'value': 83.0}
Measurement 37: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-10-19T00:00:00', 'unit': 'cm', 'value': 96.05}
Measurement 38: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-10-19T00:00:00', 'unit': 'kg', 'value': 15.92}
Measurement 39: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-10-19T00:00:00', 'unit': 'kg/m2', 'value': 17.26}
Measurement 40: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-10-19T00:00:00', 'unit': 'mmHg', 'value': 131.0}
Measurement 41: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-10-19T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Measurement 42: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-08-17T00:00:00', 'unit': 'cm', 'value': 100.81}
Measurement 43: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-08-17T00:00:00', 'unit': 'kg', 'value': 17.59}
Measurement 44: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-08-17T00:00:00', 'unit': 'kg/m2', 'value': 17.31}
Measurement 45: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-08-17T00:00:00', 'unit': 'mmHg', 'value': 136.0}
Measurement 46: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-08-17T00:00:00', 'unit': 'mmHg', 'value': 73.0}
Measurement 47: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-16T00:00:00', 'unit': 'cm', 'value': 106.1}
Measurement 48: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-16T00:00:00', 'unit': 'kg', 'value': 19.5}
Measurement 49: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-16T00:00:00', 'unit': 'kg/m2', 'value': 17.32}
Measurement 50: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-16T00:00:00', 'unit': 'mmHg', 'value': 112.0}
Measurement 51: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-07-16T00:00:00', 'unit': 'mmHg', 'value': 86.0}
Measurement 52: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-07-17T00:00:00', 'unit': 'cm', 'value': 111.95}
Measurement 53: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-07-17T00:00:00', 'unit': 'kg', 'value': 21.68}
Measurement 54: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-07-17T00:00:00', 'unit': 'kg/m2', 'value': 17.3}
Measurement 55: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-07-17T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Measurement 56: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-07-17T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Measurement 57: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-14T00:00:00', 'unit': 'cm', 'value': 117.5}
Measurement 58: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-14T00:00:00', 'unit': 'kg', 'value': 24.01}
Measurement 59: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-14T00:00:00', 'unit': 'kg/m2', 'value': 17.39}
Measurement 60: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-14T00:00:00', 'unit': 'mmHg', 'value': 121.0}
Measurement 61: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-07-14T00:00:00', 'unit': 'mmHg', 'value': 86.0}
Procedure 1: {'procedure': 'Allergy screening test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-10-05', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-10-23', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Measurement of respiratory function (procedure)', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-04-13', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-10-19', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-08-17', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 6: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-07-17', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'cetirizine hydrochloride 5 MG Oral Tablet', 'Start datetime': '2011-09-27', 'End datetime': '2011-09-27', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': '0.3 ML EPINEPHrine 0.5 MG/ML Auto-Injector', 'Start datetime': '2011-10-05', 'End datetime': '2011-10-05', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Dextromethorphan Hydrobromide 1 MG/ML', 'Start datetime': '2012-04-13', 'End datetime': '2012-04-22', '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. Fexofenadine hydrochloride 30 MG Oral Tablet
B. diphenhydrAMINE Hydrochloride 25 MG Oral Tablet
C. Donepezil hydrochloride 10 MG / Memantine hydrochloride 28 MG [Namzaric]
D. Methylphenidate Hydrochloride 20 MG [Ritalin]
E. Penicillin V Potassium 250 MG

Please share a single capital letter representing your selected answer: 
Fexofenadine hydrochloride 30 MG Oral Tablet diphenhydrAMINE Hydrochloride 25 MG Oral Tablet Donepezil hydrochloride 10 MG / Memantine hydrochloride 28 MG [Namzaric] Methylphenidate Hydrochloride 20 MG [Ritalin] Penicillin V Potassium 250 MG