[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=O]"}, {"from": "gpt", "value": "The molecule is the conjugate base of 4-oxobutanoic acid; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a 4-oxo monocarboxylic acid anion and an aldehydic acid anion. It is a conjugate base of a succinic semialdehyde."}]