[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C][Ring1][=Branch1][O][C][O][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]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of 2-O-sulfo-alpha-L-idopyranuronic acid and 2-acetamido-D-galatopyranose residues joined by a (1->3) glycosidic bond. It is an amino disaccharide, an oligosaccharide sulfate, a carbohydrate acid derivative and a member of acetamides. It is functionally related to a N-acetyl-D-galactosamine and a 2-O-sulfo-alpha-L-idopyranuronic acid."}]