[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Branch1][Ring2][C@@H1][C@H1][Branch2][Ring2][=C][C@@H1][Branch1][=Branch2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][C@H1][C@@H1][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][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a disaccharide derivative that is 2,5-anhydro-D-glucitol in which the hydroxy group at position 3 has been glycosylated by a 2-O-sulfo-alpha-L-idopyranosyl group. It is a disaccharide derivative, a carbohydrate acid derivative and an oligosaccharide sulfate. It is functionally related to a 2-O-sulfo-alpha-L-idopyranuronic acid."}]