[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][O][C][C][N][C][C][C][=Branch1][C][=O][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a lysine derivative in which the N(epsilon) of the amino acid carries a 2-carboxyethyl group. It is a lysine derivative and a non-proteinogenic alpha-amino acid."}]