[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is the (3R)-trans--diastereomer of 3-hydroxy-D-proline. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C][N][C@H1][Branch1][Branch1][C@@H1][Ring1][Branch1][O][C][=Branch1][C][=O][O]"}]