This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'Wof is injectable COX-2 inhibitor \nSelect and explain. \nA. Celecoxib, B. Etoricoxib, C. Parecoxib, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Parecoxib:- It is a prodrug of valdecoxib suitable for injection, and to be used in post- operative or similar sho-term pain, with efficacy similar to ketorolac. Ref:- kd tripathi;pg num:-206', 'role': 'assistant'}]