[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][=Branch2][C][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][=Branch1][C][=O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is the furanose form of D-fructuronic acid. It is functionally related to a D-fructofuranose. It is a conjugate acid of a D-fructofuranuronate."}]