[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch1][Branch1][C@@H1][Branch2][=Branch1][S][C@H1][Branch2][=Branch1][#Branch2][O][C@@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][#C][C@H1][Branch1][=Branch1][O][C@@H1][Ring1][=Branch1][O][C@H1][Branch1][Ring1][C][O][O][O][O][C@@H1][C@@H1][Branch2][Ring2][#Branch1][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][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino tetrasaccharide and epitope consisting of L-glycero-alpha-D-manno-heptopyranose having a lactosyl moiety attached at the 3-position via an alpha-linkage and an alpha-N-acetylglucosaminyl residue at the 2-position. It has a role as an epitope. It is an amino tetrasaccharide and a glucosamine oligosaccharide."}]