[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch2][P][C@@H1][Branch2][=Branch2][N][C@H1][Branch2][=Branch2][=Branch1][O][C@@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][#Branch1][S][C@@H1][Branch2][#Branch1][O][C@H1][Branch2][=Branch1][P][O][C@@H1][Ring1][=Branch1][O][C@@H1][C@@H1][Branch2][=Branch1][=Branch1][C@H1][Branch2][Ring2][Branch1][O][C@@H1][Branch2][Ring1][#Branch2][C@H1][Ring1][=Branch1][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][C@H1][Branch1][Ring1][C][O][O][O][C@@H1][C@@H1][Branch2][Ring1][#Branch1][C][C][Branch1][O][O][C@@H1][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][O][C@H1][Branch1][Ring1][C][O][O][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C][N][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched oligosaccharide phosphate comprising a D-glucose residue, an N-acetyl-D-glucosamine residue, two L-glycero-D-manno-heptose residues (one of which is phosphoethanolamine-substituted on O-3), with linkages as shown and with a 3-deoxy-D-manno-oct-2-ulosonic acid (2-keto-3-deoxy-D-mannooctanoic acid, Kdo) residue at the reducing end. Corresponds to the galE mutant of the core oligosaccharide of Neisseria meningitidis. It is an oligosaccharide phosphate and an amino pentasaccharide."}]