[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch1][O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 4-methyleneglutamic acid and a D-alpha-amino acid. It is an enantiomer of a 4-methylene-L-glutamic acid."}]