[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule has stabilizing and quinidine-like effects on cardiac rhythm as well as weak inherent sympathomimetic action."}, {"from": "gpt", "value": "[C][C][C][C][=Branch1][C][=O][N][C][=C][C][=Branch2][Ring1][Branch1][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][Branch1][Branch2][C][N][C][Branch1][C][C][C][O][C][=Branch1][C][=O][C]"}]