[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a quaternary ammonium ion and a member of choline sulfates. It is a conjugate acid of a choline sulfate."}, {"from": "gpt", "value": "[C][N+1][Branch1][C][C][Branch1][C][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}]