[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a rapid-acting beta-blocker used for rapid ventricular rate control."}, {"from": "gpt", "value": "[C][C][Branch2][Branch1][Ring1][O][C][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][C][=Branch1][C][=O][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C@H1][Branch2][Ring1][C][C][N][C][C][N][C][=Branch1][C][=O][N][C][C][O][C][C][Ring1][=Branch1][O][C]"}]