[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is a 2-acetamido-2-deoxy-3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronate)-6-O-sulfonato-D-galactopyranose(2-) in which the galactose moiety has beta-configuration at the anomeric centre. It is a conjugate base of a 4-deoxy-Delta(4)-beta-D-GlcpA-(1->3)-beta-D-GalpNAc6S."}]