[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@@H1][C@H1][Branch2][Ring2][=Branch2][C][C@@H1][Branch2][Ring2][C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch1][P][C@@H1][Branch1][N][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][O][C][O][C][N][C][=Branch1][C][=O][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of 6-O-methyl-beta-D-galactosamine having a 2-O-methyl-beta-D-tyvelosyl residue attached at the 3-position and with the anomeric hydroxy group replaced by methoxy. It has a role as an epitope. It is an amino disaccharide and a methyl glycoside."}]