[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a sesterterpenoid."}, {"from": "gpt", "value": "[C][/C][=Branch1][S][=C][\\C][=C][\\C][=C][Branch1][C][/C][\\C][=C][\\C][=Branch1][C][=O][O][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C@@][Branch2][Ring1][C][C@][Branch1][O][C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][Branch1][C][C][O][O]"}]