[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch2][=Branch2][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][C@@H1][C@H1][Branch2][Branch2][Branch2][C@@H1][Branch2][Ring2][Branch1][C@H1][Branch2][Ring1][O][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@H1][Branch1][#C][C@H1][Branch1][#Branch2][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][O][O][N][C][=Branch1][C][=O][C][O][C@H1][C@@H1][Branch2][Branch1][=Branch2][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@@][Branch2][Ring1][S][C][C@@H1][Branch2][Ring1][#Branch2][C@H1][Branch1][P][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][N][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino pentasaccharide comprising a chain of alpha-N-acetylneuraminyl, N-acetyl-beta-D-glucosaminyl and beta-D-galactose residues linked sequentially (2->6) and (1->3), to the N-acetyl-beta-D-glucosaminyl residue of which is also attached via a beta(1->3) linkage an N-acetylneuraminyl-(1->3)-D-galactosyl disaccharide side-chain. A 5-aminopentyl linker may be attached to the oxygen at position 1 of the reducing-end galactose residue. It is an amino pentasaccharide and a glucosamine oligosaccharide."}]