[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C@H1][Branch2][#Branch2][Branch2][C@H1][Branch2][#Branch2][Ring1][C@@H1][Branch2][=Branch2][=C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Branch2][S][O][C@H1][Branch2][Branch2][#Branch2][C@@H1][Branch2][#Branch1][S][C@H1][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][#Branch1][=Branch1][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@H1][C@@H1][Branch2][Branch1][O][C@H1][Branch2][Ring2][C][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][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][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][N][C][=Branch1][C][=O][C][O][N][C][=Branch1][C][=O][C][O][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino hexasaccharide comprised of a linear chain of beta-D-galactose, N-acetyl-beta-D-glucosamine, beta-D-galactose, and N-acetyl-beta-D-glucosamine residues, linked sequentially (1->4), (1->3), and (1->4), to each N-acetyl-D-glucosamine residue of which is linked an alpha-L-fucosyl residue, the linkages being (1->4) to the reducing-end N-acetyl-D-glucosamine residue and (1->3) to the more distal N-acetyl-D-glucosamine residue. It has a role as an epitope. It is an amino hexasaccharide and a glucosamine oligosaccharide."}]