[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C@H1][Branch2][=Branch1][P][C@H1][Branch2][=Branch1][N][C@@H1][Branch2][=Branch1][#Branch1][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][Ring1][N][C@H1][Branch1][#C][O][C][Branch1][#Branch2][C@@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][C][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C@H1][C@@H1][Branch2][Ring1][=Branch2][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino trisaccharide that consists of 6-sulfated N-acetyl-D-glucosamine having an alpha-L-fucosyl residue attached at position 3 and a 3-sulfated beta-D-galactosyl residue attached at position 4. It has a role as an epitope. It is an amino trisaccharide and an oligosaccharide sulfate."}]