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: Medicine
[{'content': "Which of the following drugs is not a part of the 'Triple Therapy' immunosuppression for post-renal transplant patients ? \nSelect and explain. \nA. Cyclosporine, B. Azathioprine, C. FK 506, D. Prednisolone", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]