[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is the bromide salt of tetramethylammonium. It is a bromide salt and a quaternary ammonium salt. It contains a tetramethylammonium."}, {"from": "gpt", "value": "[C][N+1][Branch1][C][C][Branch1][C][C][C].[Br-1]"}]