[{"from": "human", "value": "Please give me some details about this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an ammonium betaine that is the conjugate base of choline hydrogen sulfate, obtained by deprotonation of the sulfate OH group. It is an ammonium betaine and a member of choline sulfates. It is a conjugate base of a choline hydrogen sulfate."}]