This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S., Subject name: Medicine
[{'content': 'Temozolomide is used in: \nSelect and explain. \nA. Epilepsy, B. Stroke, C. Brain tumor, D. Multiple sclerosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Brain TumorChemotherapy for brain Tumora. Carmustine (CCNS) lomustine (BCNS): the side effects of these drugs = delayed bone marrow suppression.b. Temozolomide: Its main indication is anaplastic astrocytoma which is refractory to conventional treatment.', 'role': 'assistant'}]