[{"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][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is dianion of D-galactitol 1-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3. It is a conjugate base of a galactitol 1-phosphate."}]