[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][=N][C@H1][Branch2][=Branch1][Branch2][C@H1][Branch2][=Branch1][C][O][C@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][Branch1][#Branch1][C@H1][Branch2][Ring2][P][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C@H1][C@H1][Branch2][Ring1][P][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C@@H1][C@H1][Branch1][=C][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C][O][C][O][C][O][O][C][O][O][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]"}, {"from": "gpt", "value": "The molecule is a linear amino pentasaccharide comprising beta-D-glucose at the reducing end with a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl moiety at the 4-position. beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->3)-alpha-D-Galp-(1->4)-beta-D-Galp-(1->4)-D-Glcp in which the anomeric configuration of the glucose residue at the reducing end is beta. It has a role as an antigen and an epitope. It is an amino pentasaccharide, a galactosamine oligosaccharide and a beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->3)-alpha-D-Galp-(1->4)-beta-D-Galp-(1->4)-D-Glcp."}]