[{"from": "human", "value": "Describe this molecule. [C][C][/C][=Branch1][O][=C][\\C][=Branch1][C][=O][C][=Branch1][C][=O][O][/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 that is pyruvic acid in which two of the methyl hydrogens are replaced by a 5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene group (the 1R,5R,6S stereoisomer). It has a role as a bacterial metabolite. It is a 2-oxo monocarboxylic acid, a secondary alcohol, an epoxide, an enone and an oxabicycloalkane. It is functionally related to a pyruvic acid. It is a conjugate acid of a (3E)-3-[(1R,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene]pyruvate."}]