[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][#Branch1][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C][=Branch1][N][=C][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 oligosaccharide sulfate that is 4-deoxy-Delta(4)-beta-D-GlcpA2S-(1->3)-beta-D-GalpNAc in which the hydroxy group at position 4 of the 2-acetamido-beta-D-galactopyranose moiety has been converted into the corresponding hydrogen sulfate derivative. It is a member of acetamides, an amino disaccharide, an enol, a monocarboxylic acid and an oligosaccharide sulfate. It is functionally related to a Delta(4)-beta-D-GlcpA-(1->3)-beta-D-GalpNAc4S."}]