[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring2][#Branch2][C@@H1][Branch2][Ring2][Branch1][C@H1][Branch2][Ring1][#C][O][C][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring1][Ring1][O][C][Branch1][=C][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of two 2-acetamido-2-deoxy-D-glucopyranose residues joined by a (1->4) glycosidic bond. The stereochemistry at the anomeric centre of each D-GlcpNAc moiety is not stated. It is a partially-defined glycan, an amino disaccharide and a member of acetamides."}]