[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][C@H1][Branch2][Branch2][=C][C@H1][Branch2][Branch2][=Branch2][C@@H1][Branch2][Branch2][Ring2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][#Branch1][C][C@@H1][Branch2][Branch1][Branch1][O][C@@H1][Branch2][Ring2][=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][O][C@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C][O][O][C@H1][C@H1][Branch2][Ring1][Ring1][C@H1][Branch1][=C][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][C][C][N][C][O][O][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched synthetic pentasaccharide derivative consisting of a chain of alpha-L-fucose, beta-D-galactose, N-acetyl-beta-D-glucosamine and beta-D-glucose residues linked in sequence (1->2), (1->4), (1->3), to the N-acetyl-beta-D-glucosamine is also linked (1->3) another alpha-L-fucose residue. An aminopropyl linker at the reducing end enables printing onto microscope slides. One of a series of substructures of the Helicobacter pylori O6 O-antigen tridecasaccharide O-antigen used for its immunological evaluation."}]