[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a non-proteinogenic L-alpha-amino acid that is L-glutamic acid in which one of the gamma-hydrogens is substituted by a carboxy group. It is a tricarboxylic acid and a non-proteinogenic L-alpha-amino acid. It is a tautomer of a gamma-carboxy-L-glutamic acid zwitterion."}]