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': 'The drug eirenz inhibits? \nSelect and explain. \nA. HIV 1 Protease, B. HIV 1 reverse transcriptase, C. HIV1 Integrase, D. HIV entry into cell', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' i.e. HIV1 reverse transcriptase Eirenz is a non-nucleoside reverse transcriptase inhibitor.", 'role': 'assistant'}]