[{"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@@H1][Ring1][=Branch1][O][C][O][O][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]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide composed of D-galactose and 2-acetamido-2-deoxy-alpha-D-glucopyranosyl residues in (alpha-1->3) linkage. It is an amino disaccharide, a glucosamine oligosaccharide and a glycosylglucose derivative. It is functionally related to a N-acetyl-alpha-D-glucosamine and an alpha-D-galactose."}]