MSRA-0109

A 62-year-old woman presents to the clinic with a 6-month history of chest pain that occurs during physical activity and is relieved with rest. She has a medical history of hypercholesterolemia and asthma, drinks 8 units of alcohol per week, and has never smoked. Her vital signs are within normal limits and an ECG shows sinus rhythm. What is the most suitable medication to prescribe for preventing future episodes, considering the probable diagnosis?