[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring2][=C][C@@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][O][C@H1][C@@H1][Branch2][Ring1][#Branch2][C@H1][Branch2][Ring1][Branch1][C@H1][Branch1][P][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide that consists of N-acetyl-beta-D-glucosamine having a 6-O-sulfo-beta-D-galactosyl residue attached at position 4. It has a role as an epitope. It is an amino disaccharide and an oligosaccharide sulfate."}]