This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'Entacapone used in parkinsonism is: \nSelect and explain. \nA. Dopamine agonist, B. MAO inhibitor, C. COMT inhibitor, D. Dopa decarboxylase inhibitor', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. COMT inhibitorAmong the following drugs, ropinirole and pramipexole is dopamine agonist. Selegiline and rasagiline is MAO inhibitor. Entacapone and tolcapone is COMT inhibitor and carbidopa is dopamine decarboxylase inhibitor.', 'role': 'assistant'}]