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: Biochemistry
[{'content': 'Specific poison for succinate dehydrogenase is ? \nSelect and explain. \nA. Cyanide, B. Malonate, C. Arsenite, D. Fluoride', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Malonate', 'role': 'assistant'}]