[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][C][N][C][C][C][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 an acetonyl group. It is a lysine derivative and a non-proteinogenic alpha-amino acid."}]