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': 'Which of the following chemotherapeutic agents is associated with secondary leukemia \nSelect and explain. \nA. Vinblastine, B. Paclitaxel, C. Cisplatin, D. Bleomycin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alkylating agents bind to DNA and has the potential to introduce mutations. Therefore, these agents can cause sec\xadondary leukemias. Procarbazine is most important drug implicated in causation of secondary leukemias.\nCisplatin acts by similar mechanism and can cause leukemia.', 'role': 'assistant'}]