[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=C][=N][C][C@@][Branch1][#C][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C@@H1][C@H1][Branch2][N][=N][C@@H1][Branch2][Ring2][=Branch1][O][C@@H1][Branch2][Ring1][#C][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][N][C][=Branch1][C][=O][C][C][O][O][C@H1][C@@H1][Branch2][=Branch2][=N][C@H1][Branch2][=Branch2][Ring1][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][C@@H1][C@@H1][Branch2][Branch2][Ring2][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][C@@][Branch2][Ring1][=Branch1][C][C@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][C][=Branch1][C][=O][O][O][C@H1][Branch1][Ring1][C][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino octasaccharide consisting of a linear pentasaccharide comprising N-acetyl-beta-D-galactosamine, beta-D-galactose, two L-glycero-alpha-D-manno-heptose (L-alpha-D-Hep) residues and a 3-deoxy-alpha-D-manno-oct-2-ulose (alpha-Kdo) residue linked in sequence (1->4), (1->3),(1->3) and (1->5), to the L-alpha-D-Hep residue proximal to the reducing end is also linked (1->4) a beta-D-glucose residue, while the galactose residue also carries an N-acetyl-alpha-neuraminic acid residue via a (2->3) linkage and the alpha-Kdo residue also carries a second alpha-Kdo residue linked (2->-4). One of a number of chemoenzymatically synthesised oligosaccharides composed of the inner core oligosaccharide of Campylobacter jejuni extended by various ganglioside mimics."}]