[{"from": "human", "value": "Provide a brief overview of 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 (3R)-cis-diastereomer of 3-hydroxy-L-proline. It is a tautomer of a cis-3-hydroxy-L-proline zwitterion."}]