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: Skin
[{'content': 'Most potent anti-leprotic drug is: \nSelect and explain. \nA. Rifampcin, B. Dapsone, C. Clofazimine, D. Norflox', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Rifampcin', 'role': 'assistant'}]