[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is the conjugate base of 5-oxo-D-proline; major species at pH 7.3. It is a conjugate base of a 5-oxo-D-proline."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][N][C@H1][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}]