[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C][=Branch1][C][=O][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a glutamic acid derivative that is glutamic acid in which the carboxy group at position 5 has been replaced by a methoxycarbonyl group. It is a methyl ester, a glutamic acid derivative and a non-proteinogenic alpha-amino acid."}]