[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an N-acyl-D-alpha-amino acid anion that is the conjugate base of N-acetyl-D-leucine: major species at pH 7.3. It is a conjugate base of a N-acetyl-D-leucine. It is an enantiomer of a N-acetyl-L-leucinate."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C]"}]