[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a 1-pyrrolinecarboxylate resulting from the removal of the proton from the carboxy group of 1-pyrroline-5-carboxylic acid. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a 1-pyrroline-5-carboxylic acid."}, {"from": "gpt", "value": "[C][C][C][Branch1][Branch1][N][=C][Ring1][Branch1][C][=Branch1][C][=O][O-1]"}]