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': 1932}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '1977-05-19', 'end datetime': '1977-05-19'}
Measurement 1: {'measurement': 'Stroke', 'measurement type': 'EHR encounter record', 'measurement date': '1977-05-19T00:00:00', 'unit': None, 'value': None}
</PatientData>

Based on the EHR history above, which medication **should also be on the list today**?

A. Xulane 150/35 MCG/Day Weekly Transdermal System
B. Estrostep Fe 28 Day Pack
C. Penicillin V Potassium 250 MG
D. Chlorpheniramine 8 MG Oral Tablet
E. canagliflozin 100 MG Oral Tablet

Please share a single capital letter representing your selected answer: 
Xulane 150/35 MCG/Day Weekly Transdermal System Estrostep Fe 28 Day Pack Penicillin V Potassium 250 MG Chlorpheniramine 8 MG Oral Tablet canagliflozin 100 MG Oral Tablet