This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypeension, Arrhythmias, Dyslipidemia, Subject name: Pharmacology
[{'content': 'All of the following ACE inhibitors are prodrugs and are activated by esterases in the liver except: \nSelect and explain. \nA. Captopril, B. Ramipril, C. Perindopril, D. Spirapril', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Captopril , lisinopril and enalaprilat are active molecules. All other ACE inhibitors like enalapril, Benazepril, fosinopril, moexipril, perindopril, spirapril, ramipril, and trandolapril are prodrugs.', 'role': 'assistant'}]