[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide obtained by formal condensation of the gamma-carboxy group of glutamic acid with the amino group of 2-aminobutyric acid. It is a conjugate acid of a gamma-Glu-Abu(1-)."}]