This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following ACE inhibitor is not a prodrug - \nSelect and explain. \nA. Captopril, B. Enalapril, C. Ramipril, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Captopril o All ACE inhibitors are prod rugs except captopril and Lisinopril.", 'role': 'assistant'}]