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': 'Drug of choice for cystitis ? \nSelect and explain. \nA. Amoxicillin, B. Chloramphenicol, C. Cotrimoxazole, D. Ciprofloxacin', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Ciprofloxacin Fluroquinolones form the first line of drugs to be used against cystits. Ciprofloxacin is a fluoroquinolone and so the most appropriate answer.", 'role': 'assistant'}]