You are an assistant tasked with analyzing medical histories to determine which medication is missing from the patient’s current regimen.

<PatientData>
Demographics: {'race': 'Asian', 'gender': 'MALE', 'year of birth': 1998}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-12-31', 'end datetime': '2010-12-31'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-24', 'end datetime': '2011-05-24'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-02-15', 'end datetime': '2012-02-15'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-02-19', 'end datetime': '2013-02-19'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-04-28', 'end datetime': '2014-04-28'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-05-28', 'end datetime': '2015-05-28'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-06-22', 'end datetime': '2016-06-22'}
Measurement 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-31T00:00:00', 'unit': 'cm', 'value': 164.62}
Measurement 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-31T00:00:00', 'unit': 'kg', 'value': 45.14}
Measurement 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-31T00:00:00', 'unit': 'kg/m2', 'value': 16.66}
Measurement 4: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-31T00:00:00', 'unit': 'mmHg', 'value': 118.0}
Measurement 5: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-12-31T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Measurement 6: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-15T00:00:00', 'unit': 'cm', 'value': 173.74}
Measurement 7: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-15T00:00:00', 'unit': 'kg', 'value': 51.53}
Measurement 8: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-15T00:00:00', 'unit': 'kg/m2', 'value': 17.07}
Measurement 9: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-15T00:00:00', 'unit': 'mmHg', 'value': 113.0}
Measurement 10: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-15T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Measurement 11: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-19T00:00:00', 'unit': 'cm', 'value': 179.72}
Measurement 12: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-19T00:00:00', 'unit': 'kg', 'value': 56.92}
Measurement 13: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-19T00:00:00', 'unit': 'kg/m2', 'value': 17.62}
Measurement 14: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-19T00:00:00', 'unit': 'mmHg', 'value': 111.0}
Measurement 15: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-19T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Measurement 16: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-28T00:00:00', 'unit': 'cm', 'value': 183.54}
Measurement 17: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-28T00:00:00', 'unit': 'kg', 'value': 62.41}
Measurement 18: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-28T00:00:00', 'unit': 'kg/m2', 'value': 18.53}
Measurement 19: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-28T00:00:00', 'unit': 'mmHg', 'value': 105.0}
Measurement 20: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-04-28T00:00:00', 'unit': 'mmHg', 'value': 82.0}
Measurement 21: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-28T00:00:00', 'unit': 'cm', 'value': 185.18}
Measurement 22: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-28T00:00:00', 'unit': 'kg', 'value': 66.3}
Measurement 23: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-28T00:00:00', 'unit': 'kg/m2', 'value': 19.33}
Measurement 24: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-28T00:00:00', 'unit': 'mmHg', 'value': 122.0}
Measurement 25: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-05-28T00:00:00', 'unit': 'mmHg', 'value': 74.0}
Measurement 26: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-06-22T00:00:00', 'unit': 'cm', 'value': 185.98}
Measurement 27: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-06-22T00:00:00', 'unit': 'kg', 'value': 69.01}
Measurement 28: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-06-22T00:00:00', 'unit': 'kg/m2', 'value': 19.95}
Measurement 29: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-06-22T00:00:00', 'unit': 'mmHg', 'value': 103.0}
Measurement 30: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-06-22T00:00:00', 'unit': 'mmHg', 'value': 81.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-02-15', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-02-19', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-04-28', '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. insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin]
B. Methylphenidate Hydrochloride 20 MG [Ritalin]
C. cetirizine hydrochloride 5 MG Oral Tablet
D. Acetaminophen 325 MG / oxyCODONE Hydrochloride 5 MG [Percocet]
E. Acetaminophen 160 MG

Please share a single capital letter representing your selected answer: 
insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin] Methylphenidate Hydrochloride 20 MG [Ritalin] cetirizine hydrochloride 5 MG Oral Tablet Acetaminophen 325 MG / oxyCODONE Hydrochloride 5 MG [Percocet] Acetaminophen 160 MG