[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch2][Ring1][=N][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][#C][C@H1][Branch1][Ring1][C][=O][N][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is dianion of 2-N,6-O-disulfo-D-glucosamine arising from deprotonation of both sulfate OH groups; major species at pH 7.3. It is a conjugate base of a 2-N,6-O-disulfo-D-glucosamine."}]