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