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': 1969}
Visit 1: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-08-06', 'end datetime': '2010-08-06'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-08-24', 'end datetime': '2010-08-24'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-01-03', 'end datetime': '2012-01-03'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-10-16', 'end datetime': '2013-10-16'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-12-14', 'end datetime': '2015-12-14'}
Measurement 1: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': '%', 'value': 6.2}
Measurement 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'cm', 'value': 173.55}
Measurement 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'kg', 'value': 101.94}
Measurement 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'kg/m2', 'value': 33.85}
Measurement 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mmHg', 'value': 142.0}
Measurement 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mmHg', 'value': 97.0}
Measurement 7: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': '%', 'value': 6.2}
Measurement 8: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 65.0}
Measurement 9: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 8.0}
Measurement 10: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 11: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 8.69}
Measurement 12: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mmol/L', 'value': 137.0}
Measurement 13: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mmol/L', 'value': 5.08}
Measurement 14: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mmol/L', 'value': 110.0}
Measurement 15: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mmol/L', 'value': 25.0}
Measurement 16: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 171.0}
Measurement 17: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 129.0}
Measurement 18: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 66.0}
Measurement 19: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mg/dL', 'value': 79.0}
Measurement 20: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2012-01-03T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 21: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': '%', 'value': 5.9}
Measurement 22: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'cm', 'value': 173.55}
Measurement 23: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'kg', 'value': 104.67}
Measurement 24: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'kg/m2', 'value': 34.75}
Measurement 25: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mmHg', 'value': 143.0}
Measurement 26: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mmHg', 'value': 112.0}
Measurement 27: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': '%', 'value': 5.9}
Measurement 28: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mg/dL', 'value': 71.0}
Measurement 29: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mg/dL', 'value': 8.0}
Measurement 30: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 31: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mg/dL', 'value': 8.79}
Measurement 32: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mmol/L', 'value': 136.0}
Measurement 33: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mmol/L', 'value': 5.05}
Measurement 34: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mmol/L', 'value': 111.0}
Measurement 35: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mmol/L', 'value': 23.0}
Measurement 36: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2013-10-16T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Measurement 37: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': '%', 'value': 6.3}
Measurement 38: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'cm', 'value': 173.55}
Measurement 39: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'kg', 'value': 107.8}
Measurement 40: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'kg/m2', 'value': 35.79}
Measurement 41: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mmHg', 'value': 198.0}
Measurement 42: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mmHg', 'value': 91.0}
Measurement 43: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': '%', 'value': 6.3}
Measurement 44: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 93.0}
Measurement 45: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 12.0}
Measurement 46: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Measurement 47: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 9.47}
Measurement 48: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mmol/L', 'value': 139.0}
Measurement 49: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mmol/L', 'value': 5.16}
Measurement 50: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mmol/L', 'value': 106.0}
Measurement 51: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mmol/L', 'value': 24.0}
Measurement 52: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 187.0}
Measurement 53: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 105.0}
Measurement 54: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 99.0}
Measurement 55: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mg/dL', 'value': 67.0}
Measurement 56: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2015-12-14T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-01-03', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-12-14', '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. Ortho Tri-Cyclen 28 Day Pack
B. Insulin Lispro 100 UNT/ML Injectable Solution [Humalog]
C. Mestranol / Norethynodrel [Enovid]
D. Naproxen sodium 220 MG Oral Tablet
E. Penicillin V Potassium 500 MG

Please share a single capital letter representing your selected answer: 
Ortho Tri-Cyclen 28 Day Pack Insulin Lispro 100 UNT/ML Injectable Solution [Humalog] Mestranol / Norethynodrel [Enovid] Naproxen sodium 220 MG Oral Tablet Penicillin V Potassium 500 MG