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': 'Cyanide antidote kit does not contain: NIMHANS 14 \nSelect and explain. \nA. Sodium thiosulfate, B. Sodium nitrite, C. Sodium bicarbonate, D. Amyl nitrite', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Sodium bicarbonate', 'role': 'assistant'}]