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': 'Most toxic antiepileptic drug is ? \nSelect and explain. \nA. Phenytoin, B. Valproate, C. Carbamazepine, D. Lamotrigine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is\'c\' i.e., Carbamazepine(Ref: <a href=" in a pubmed indexed journal, regarding toxicity of anticonvulsant drugs shows answer is carbamazepine.</li>40.0 % toxicity.', 'role': 'assistant'}]