[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][C][C][C][Branch2][Ring1][#Branch2][C][C][C][N][Branch1][C][C][C][C][C][=C][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][C][Branch1][Ring1][C][#N][C][=C][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a first generation calcium channel blocker used for treatment of hypertension, angina pectoris and superventricular tachyarrhythmias. Verapamil has been linked to a low rate of serum enzyme elevations during therapy and to rare instances of clinically apparent acute liver injury."}]