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': 'The chemotherapentic agent used in brain tumour is- \nSelect and explain. \nA. Cisplatin, B. Bleomycin, C. Nitrosoureas, D. Vincristine', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Nitrosoureas o Nitrosoureas are highly lipid soluble and can cross blood brain barrier --> used in brain tumors like gliomas.", 'role': 'assistant'}]