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