[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][Branch2][=C][C@H1][Branch2][Branch2][=Branch2][C@@H1][Branch2][Branch2][Ring2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][#Branch1][C][C@@H1][Branch2][Branch1][Branch1][O][C@@H1][Branch2][Ring2][=C][C@H1][Ring1][=Branch1][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][C@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C][O][O][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][O][O][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino pentasaccharide comprising a trisaccahride backbone consisting of beta-D-galactose, N-acetyl-beta-D-glucosamine and N-acetyl-alpha-D-galactosamine residues linked in sequence (1->4) and (1->3), with alpha-L-fucose residues linked to the galactose and N-acetylglucosamine via (1->2) and (1->3) linkages respectively. It is an amino pentasaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide."}]