[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is conjugate base of L-serine O-sulfate having the carboxylic acid and sulfate functions in anionic form and a protonated nitrogen. It is a conjugate base of a L-serine O-sulfate."}]