[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][C@H1][C@@H1][Branch2][=Branch1][Ring1][C@H1][Branch2][Branch1][=N][O][C][Branch1][#Branch2][C@@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@@H1][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][O][O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the carboxy and diphosphate OH groups of UDP-N-acetylmuramic acid; major species at pH 7.3. It is a conjugate base of an UDP-N-acetylmuramic acid."}]