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': 'Site for action for disulfuram is ? \nSelect and explain. \nA. Aldehyde dehydrogenase, B. Alcohol dehydrogenase, C. G6PD, D. Acetate dehydrogenase', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Aldehyde dehydrogenase", 'role': 'assistant'}]