[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a quaternary ammonium salt."}, {"from": "gpt", "value": "[C][C][N+1][Branch1][Ring1][C][C][Branch1][Ring1][C][C][C][C][O][C][=Branch1][C][=O][C][Branch1][Branch2][C][C][C][C][C][Ring1][Branch1][C][C][C][C][C][Ring1][Branch1].[Br-1]"}]