[{"from": "human", "value": "Provide a description of this molecule. [C][O][C][=Branch1][C][=O][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a glutamic acid 5-methyl ester having L-configuration. It is a L-glutamic acid derivative, a non-proteinogenic L-alpha-amino acid and a glutamic acid 5-methyl ester."}]