This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Which of the following debts is least likely to required dosage reaction in Renal dysfunction \nSelect and explain. \nA. Amikacin, B. Ciprofloxain, C. Clindamycin, D. Vancomycin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref-KDT 6/e p731,732 Clindamycin is excreted by biliary route and therefore can be used safely in renal dysfunction, Other drugs excreted in bile are: Ampicillin Nafcillin Chloramphenicol Novobiocin Rifampicin Doxycycline', 'role': 'assistant'}]