[{"from": "human", "value": "Describe this molecule. [C][C][N][C@@H1][Branch1][Branch1][C@H1][Ring1][Branch1][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (3S)-trans-diastereomer of 3-hydroxy-L-proline. It has a role as a metabolite. It is a tautomer of a trans-3-hydroxy-L-proline zwitterion."}]