[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an amino disaccharide consisting of N-acetyl-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."}, {"from": "gpt", "value": "[C][C@@H1][C@H1][Branch2][Ring2][Branch2][C][C@@H1][Branch2][Ring1][P][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch1][S][C@@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][O][O][C][N][C][=Branch1][C][=O][C][O][C][O]"}]