[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch1][P][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][Branch1][P][C@@H1][Branch2][Branch1][N][O][C@@H1][Branch2][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][Ring2][=Branch1][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][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][N][C][=Branch1][C][=O][C][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino tetrasaccharide comprising an alpha-N-acetylneuraminyl residue (2->3)-linked to a beta-D-galactopyranosyl residue which is itself linked at position 4 to a beta-D-galactopyranosyl-(1->3)-2-(acetylamino)-2-deoxy-beta-D-galactopyranosyl group. It is a galactosamine oligosaccharide and an amino tetrasaccharide."}]