[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an oral antiarrhythmic agent that has been in wide use for several decades. Long term propafenone therapy is associated with a low rate of serum aminotransferase elevations and therapy rarely can cause a self-limited, acute cholestatic liver injury."}, {"from": "gpt", "value": "[C][C][C][N][C][C][Branch2][Ring1][=Branch2][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}]