[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][N][C][C][Branch2][Ring1][Branch1][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][C][=Branch1][C][=O][O][C][O]"}, {"from": "gpt", "value": "The molecule is a cardioselective beta-blocker used in parenteral forms in the treatment of arrhythmias and severe hypertension. Esmolol has not been linked to instances of clinically apparent drug induced liver injury."}]