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': 'The following is also known as "Knock out drops" or "micky finn : \nSelect and explain. \nA. Chloroform, B. Methyl alcohol, C. Chloral hydrate, D. Ethylene glycol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Chloral hydrate', 'role': 'assistant'}]