[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C@@H1][Branch2][Ring1][Branch1][C@@H1][Branch1][P][C@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][N]"}, {"from": "gpt", "value": "The molecule is a trideoxyhexose comprising D-galactopyranose having the hydroxy groups at positions 2- and 4- replaced by acetamido and amino groups respectively and also deoxygenated at the 6-position. It is an amino sugar and a trideoxyhexose derivative."}]