[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an iron coordination entity and a metal carbonyl."}, {"from": "gpt", "value": "[C-1][#O+1].[C-1][#O+1].[C-1][#O+1].[C-1][#O+1].[C-1][#O+1].[Fe]"}]