[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a pyrrolidinemonocarboxylic acid, a N-acylpyrrolidine and a D-proline derivative."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][C][C][C@@H1][Ring1][Branch1][C][=Branch1][C][=O][O]"}]