[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a dihydrofuran."}, {"from": "gpt", "value": "[C][C][C][=C][Branch1][#Branch2][C][Ring1][Branch1][C][C][=Branch1][C][=O][O][C][Branch1][Branch1][O][C][Ring1][#Branch2][O]"}]