This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Adrenergic System, Subject name: Pharmacology
[{'content': 'Which of the following is not a cardioselective beta blocker? \nSelect and explain. \nA. Esmolol, B. Nebivolol, C. Acebutolol, D. Oxprenolol', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Oxprenoiol Selective b1 blockers are (cardioselective):1. Atenolol3. Bisoprolol5.Celiprolo!7. Metoprolol2. Acebutalol4. Betoxolol6. Esmolol8. Nebivolol", 'role': 'assistant'}]