[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a sesterterpenoid."}, {"from": "gpt", "value": "[C][/C][=Branch2][Ring2][O][=C][\\C][=C][\\C][=C][Branch1][C][/C][\\C][=C][\\C][=C][Branch1][C][/C][\\C][Branch2][Ring1][#Branch1][/C][=C][/C][Branch1][=C][C][C][Branch1][=Branch2][C][C][\\-Ring1][=Branch1][Branch1][C][C][O][O][Branch1][C][C][C][O][/C][C][=C]"}]