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': 'In leprosy, the best bacteriocidal agent is? \nSelect and explain. \nA. Clofazimine, B. Dapsone, C. Rifampicin, D. Ethionamide', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Rifampicin", 'role': 'assistant'}]