[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch2][Ring2][C][C@@][Branch1][#C][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][C@@H1][C@H1][Branch2][#Branch1][Ring1][C@@H1][Branch2][Branch1][=Branch2][C@H1][Branch2][Ring2][#C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][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][N][C][=Branch1][C][=O][C][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][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino pentasaccharide comprising a linear sequence of alpha-D-galactose, N-acetyl-beta-D-glucosamine, beta-D-galactosamine and beta-D-glucosamine residues linked (1->3), (1->4) and (1->4), with an N-acetyl-alpha-neuraminic acid residue linked (2->6) to the N-acetyl-beta-D-glucosamine residue. It has a role as an epitope. It is an amino pentasaccharide and a glucosamine oligosaccharide."}]