[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][P][=C][C][=C][Ring1][=Branch1][C][C][N][C][=Branch1][C][=O][C][C][C][S][O][C@H1][C@@H1][Branch2][Branch1][C][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@H1][C@@H1][Branch2][Ring1][N][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a beta-D-galactoside that is the 4-[2-(4-sulfanylbutanamido)ethyl]phenyl glycoside of a disaccharide consisting of a 3-O-sulfo-beta-D-glucuronic acid residue linked (1->3) to beta-D-galactose. It is a beta-D-galactoside and a disaccharide derivative. It is a conjugate acid of a beta-D-GlcA3S-(1->3)-beta-D-Gal-OC6H4-4-[CH2]2NHC(O)[CH2]3SH(2-)."}]