[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C@H1][Branch1][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an N-acetyl-L-amino acid that is L-isoleucine in which one of the nitrogens attached to the nitrogen is replaced by an acetyl group. It is a N-acetyl-L-amino acid, a L-isoleucine derivative and a N-acetylisoleucine. It is a conjugate acid of a N-acetyl-L-isoleucinate."}]