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': 'Among the following structures which one is not used in the treatment of epilepsy ? \nSelect and explain. \nA. Barbiturates, B. Hydantoins, C. Acetylurea, D. Atropine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]