[{"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][Branch1][=C][C@@H1][O][C][C@H1][Branch1][Branch1][C@H1][Ring1][#Branch1][O][O][Ring1][#Branch1][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion obtained by removal of a proton from the carboxy group of 1,6-anhydro-N-acetyl-beta-muramic acid. It is a carbohydrate acid derivative anion and a monocarboxylic acid anion. It is a conjugate base of a 1,6-anhydro-N-acetyl-beta-muramic acid."}]