[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a complexing (sequestering) agent that forms stable complexes with Zn2+."}, {"from": "gpt", "value": "[C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O]"}]