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: Forensic Medicine
[{'content': 'All are used in heroin poisoning EXCEPT: \nSelect and explain. \nA. Cloni di ne, B. Buprenorphine, C. Pentazocine, D. Haloperidol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Haloperidol', 'role': 'assistant'}]