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 one of the following antiplatelet is a prodrug \nSelect and explain. \nA. Aspirin, B. Dipyridamole, C. Ticlopidine, D. Abciximab', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Ticlopidine Ticlopidine is a prodrug that requires conversion to the active thiol metabolite by a hepatic cytochrome P450 enzyme.", 'role': 'assistant'}]