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': 'A patient who underwent abdominal surgery, developed infection at wound site. Awound swab was sent for culture, which revealed MRSA. All of following antibiotics can be used for his treatment except - \nSelect and explain. \nA. Cefclor, B. Cotrimoxzate, C. Ciprofloxacin, D. Vancomycin', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Cefclor o Ciprofloxacin, Cotrimoxazole and vancomycin are used for MRSA infections.", 'role': 'assistant'}]