[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a beta-Adrenergic Blocker. The mechanism of action of esmolol is as an Adrenergic beta-Antagonist."}, {"from": "gpt", "value": "[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]"}]