[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch2][Ring2][#C][C@@H1][C@@H1][Branch2][Ring2][=Branch2][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][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][O][O]"}, {"from": "gpt", "value": "The molecule is a disaccharide consisting of beta-D-glucuronic acid linked (1->3) to a beta-D-galactose residue. It has a role as an epitope. It is a member of glucuronic acids and a glycosylgalactose."}]