This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'Flumazenil antagonize the effect of which drug: \nSelect and explain. \nA. Ketamine, B. Fentanyl, C. Midazolam, D. Propofol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. MidazolamFlumazenil is competitive antagonist of benzodiazepine receptor and is used for respiratory depression due benzodiazepines (midazolam).', 'role': 'assistant'}]