[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a derivative of valeric acid having amino and oxo substituents at the 2- and 4-positions respectively. It is a 4-oxo monocarboxylic acid and a non-proteinogenic alpha-amino acid. It is functionally related to a valeric acid. It is a tautomer of a 2-amino-4-oxopentanoic acid zwitterion."}]