[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C][Ring1][=Branch1][O][C][O][O][O][C][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide that is 2-acetamido-2-deoxy-D-galactopyranose in which the hydroxy group at position 3 has been converted to the corresponding D-galactopyranoside. The stereochemistry at the anomeric position in each of the galactopyranose rings is not stated. It is a partially-defined glycan, an amino disaccharide, a member of acetamides and a galactosamine oligosaccharide."}]