[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@H1][C@H1][Branch2][Branch1][C][C@@H1][Branch2][Ring2][=N][C@H1][Branch1][=Branch1][O][C@@H1][Ring1][=Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][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][N][C][=Branch1][C][=O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a phosphate-linked oligosaccharide analogue consisting of two N-acetyl-alpha-D-mannosamine units joined by a (1->6)-phosphodiester linkage."}]