This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance abuse, Subject name: Psychiatry
[{'content': 'Used for aveing smoking habit is \nSelect and explain. \nA. Buspirone, B. Bupropion, C. Methadone, D. Venlafaxine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bupropion (also called as amfebutamone a NDRI antidepressant )and varenicline are pharmacological agents recently used in promoting smoking cessation as adjuvant to behavioural or cognitive behaviour treatment (Ref: a sho textbook of psychiatry, Niraj Ahuja,7th edition, page no.52)', 'role': 'assistant'}]