[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a member of ferrocenes. It derives from a hydride of a ferrocene."}, {"from": "gpt", "value": "[CH1-1][CH1-1][CH1-1][C-1][Branch1][Ring2][CH1-1][Ring1][Branch1][C][=Branch1][C][=O][O].[CH1-1][C][=C][C][=C][Ring1][Branch1].[Fe]"}]