[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a beta-D-galactopyranoside having a methyl substituent at the anomeric position. It is a beta-D-galactoside, a monosaccharide derivative and a methyl D-galactoside."}, {"from": "gpt", "value": "[C][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]"}]