[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][N][C][C][Branch1][#C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][C][=C][O]"}, {"from": "gpt", "value": "A beta-adrenergic antagonist used in the treatment of hypertension, angina pectoris, arrhythmias, and anxiety."}]