[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch2][N][C@@H1][Branch2][#Branch2][#Branch1][C@H1][Branch2][=Branch2][P][O][C@@H1][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Branch2][P][C@H1][Branch2][Branch2][C][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@@H1][C@H1][Branch2][=Branch1][=Branch2][C@@H1][Branch2][=Branch1][Ring2][C@H1][Branch2][Branch1][#Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring2][Branch2][C@H1][Branch2][Ring1][=Branch2][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C][C][C][C][N][O][C@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][C][O][O][O][C@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a tetrasaccharide derivative with a dimeric structure in which two 2-O-[N-acetyl-alpha-D-glucosaminyl-(1->3)-N-acetyl-alpha-D-glucosaminyl]-D-glyceric acid units are linked via a phosphodiester bridge, the reducing-end GlcNAc residue also being connected at O-6 to a 5-aminopentyl linker via a further phosphodiester linkage. It is a tetrasaccharide derivative and a carbohydrate phosphate. It is functionally related to a D-glyceric acid."}]