[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][C@H1][Branch2][Branch2][#C][C@H1][Branch2][Branch2][#Branch2][C@@H1][Branch2][Branch2][Branch1][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][#C][O][C][Branch1][#Branch2][C@@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][C][O][C][O][O][C@H1][C@@H1][Branch2][Branch1][#Branch2][C@H1][Branch2][Branch1][Branch1][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][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][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino tetrasaccharide comprised of N-acetyl-alpha-neuraminyl, N-acetyl-beta-D-glucosaminyl and (at the reducing end) N-acetyl-beta-D-glucosamine residues all linked sequentially (1->4), with the reducing-end N-acetyl-beta-D-glucosamine residue carrying also an L-fucosyl residue via a (1->3) linkage. It is an amino tetrasaccharide and a glucosamine oligosaccharide."}]