[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][O][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-1][O][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is conjugate base of N-acetyl-4-O-acetylneuraminic acid. It is a conjugate base of a N-acetyl-4-O-acetylneuraminic acid."}]