[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an aldehyde that is furan substituted by a formyl group at position 3. It has a role as a metabolite. It is a member of furans and an aldehyde. It derives from a hydride of a furan."}, {"from": "gpt", "value": "[C][=C][O][C][=C][Ring1][Branch1][C][=O]"}]