[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][O][C][N][C@@H1][Ring1][Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an optically active form of 4-hydroxyproline having L-trans-configuration. It has a role as a human metabolite, a plant metabolite and a mouse metabolite. It is a tautomer of a trans-4-hydroxy-L-proline zwitterion."}]