[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of oxolanes."}, {"from": "gpt", "value": "[C][C][/C][=C][/C][=C][/C][Branch2][Ring1][Ring2][C][=Branch1][C][=O][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][C][Branch1][Ring1][C][O][O][C][C]"}]