This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'which of the following is a late inward sodium channel blocker? \nSelect and explain. \nA. Ivabradine, B. Trimetazidine, C. Ranolazine, D. Fasudil', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ref : KD TRIPATHI 8TH ED', 'role': 'assistant'}]