[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C@H1][Branch2][#Branch1][Ring2][C@H1][Branch2][=Branch1][#C][C@@H1][Branch2][=Branch1][#Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][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][Ring2][C][C@@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][O][O][C@H1][C@H1][Branch1][#C][C@H1][Branch1][#Branch2][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][O][O][N][C][=Branch1][C][=O][C][C][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino tetrasaccharide consisting of alpha-L-fucose, beta-D-galactose, N-acetyl-alpha-D-galactosamine and alpha-D-galactose residues joined in sequence with (1->2)-, (1->3)- and (1->3)-linkages, respectively. It has a role as an epitope. It is an amino tetrasaccharide and a galactosamine oligosaccharide. It is functionally related to a beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->3)-alpha-D-Galp."}]