[{"from": "human", "value": "What can you tell me about this molecule? [C][C][/C][=Branch1][O][=C][\\C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][/C@@H1][C@H1][Branch1][Branch1][C@@H1][Ring1][N][O][O][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of (3E)-3-[(1R,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene]pyruvic acid, obtained by deprotonation of the carboxy group. It has a role as a bacterial metabolite. It is a conjugate base of a (3E)-3-[(1R,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene]pyruvic acid."}]