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': 'Which drug is not used in CHF - \nSelect and explain. \nA. Spironolactone, B. Trimetazidine, C. Nitroglycerine, D. Nesiritide', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Trimetazidine o Trimetazidine is an antianginal drugs which act by inhibiting fatty acid oxidation.", 'role': 'assistant'}]