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': 1991}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-07-17', 'end datetime': '2010-07-17'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-02-08', 'end datetime': '2011-02-08'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-11-09', 'end datetime': '2011-11-09'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-05-02', 'end datetime': '2012-05-02'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-06-11', 'end datetime': '2014-06-11'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2017-04-21', 'end datetime': '2017-04-21'}
Measurement 1: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2010-07-17T00:00:00', 'unit': 'Cel', 'value': 37.0}
Measurement 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-02-08T00:00:00', 'unit': 'cm', 'value': 166.67}
Measurement 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-02-08T00:00:00', 'unit': 'kg', 'value': 51.05}
Measurement 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-02-08T00:00:00', 'unit': 'kg/m2', 'value': 18.38}
Measurement 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-02-08T00:00:00', 'unit': 'mmHg', 'value': 126.0}
Measurement 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-02-08T00:00:00', 'unit': 'mmHg', 'value': 80.0}
Measurement 7: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-09T00:00:00', 'unit': 'cm', 'value': 166.68}
Measurement 8: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-09T00:00:00', 'unit': 'kg', 'value': 52.41}
Measurement 9: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-09T00:00:00', 'unit': 'kg/m2', 'value': 18.87}
Measurement 10: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-09T00:00:00', 'unit': 'mmHg', 'value': 104.0}
Measurement 11: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-09T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Measurement 12: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-06-11T00:00:00', 'unit': 'cm', 'value': 166.68}
Measurement 13: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-06-11T00:00:00', 'unit': 'kg', 'value': 56.89}
Measurement 14: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-06-11T00:00:00', 'unit': 'kg/m2', 'value': 20.48}
Measurement 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-06-11T00:00:00', 'unit': 'mmHg', 'value': 122.0}
Measurement 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-06-11T00:00:00', 'unit': 'mmHg', 'value': 73.0}
Measurement 17: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-21T00:00:00', 'unit': 'cm', 'value': 166.68}
Measurement 18: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-21T00:00:00', 'unit': 'kg', 'value': 59.17}
Measurement 19: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-21T00:00:00', 'unit': 'kg/m2', 'value': 21.3}
Measurement 20: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-21T00:00:00', 'unit': 'mmHg', 'value': 136.0}
Measurement 21: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2017-04-21T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-11-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-06-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Current Medications:
Medication 1: {'Drug name': 'Nitrofurantoin 5 MG/ML [Furadantin]', 'Start datetime': '2012-05-02', 'End datetime': '2012-05-09', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Phenazopyridine hydrochloride 100 MG [Pyridium]', 'Start datetime': '2012-05-02', 'End datetime': '2012-05-09', '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. Mirena 52 MG Intrauterine System
B. insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin]
C. Fexofenadine hydrochloride 30 MG Oral Tablet
D. Errin 28 Day Pack
E. cetirizine hydrochloride 5 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Mirena 52 MG Intrauterine System insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin] Fexofenadine hydrochloride 30 MG Oral Tablet Errin 28 Day Pack cetirizine hydrochloride 5 MG Oral Tablet