[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C@@H1][C@H1][Branch2][Ring2][Branch2][C@@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][O][C@@H1][C@H1][Branch2][Ring1][Ring1][O][C@H1][Branch1][=C][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C][O][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of N-acetyl-beta-D-glucosamine, substituted on O-3 with a 1-carboxyethyl group and linked (1->4) to a second N-acetyl-beta-D-glucosamine residue. It is a glucosamine oligosaccharide and an amino disaccharide."}]