[{"from": "human", "value": "Provide a description of this molecule. [C@@H1][Branch2][Ring1][S][C@H1][Branch2][Ring1][O][C@H1][Branch2][Ring1][C][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is an organophosphate oxoanion resulting from the deprotonation of the carboxy group and the phosphate OH groups of 1-phospho-alpha-D-galacturonic acid. The major species at pH 7.3. It is an organophosphate oxoanion, a carbohydrate acid derivative anion and a monocarboxylic acid anion. It is a conjugate base of a 1-phospho-alpha-D-galacturonic acid."}]