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': 'Micky Finn is \nSelect and explain. \nA. Amphetamine, B. Choral hydrate, C. Phencyetindine, D. MDMA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chloral hydrate is also known as micky finn. It is also known as knock out drops.', 'role': 'assistant'}]