[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is the N-acetyl derivative of L-leucine. It has a role as a metabolite. It is a N-acetyl-L-amino acid and a L-leucine derivative. It is a conjugate acid of a N-acetyl-L-leucinate. It is an enantiomer of a N-acetyl-D-leucine."}]