[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][C][N]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion. It is functionally related to a 4-oxopentanoate. It is a conjugate base of a 5-aminolevulinic acid."}]