[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a chemical compound of palladium. Palladium is a chemical element with the chemical symbol Pd and an atomic number of 46. It is found as a free metal alloyed with gold and other platinum group metals and in the rare minerals cooperite and polarite. (L794)"}, {"from": "gpt", "value": "[C][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][C][/O-1].[C][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][C][/O-1].[Pd+2]"}]