[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Dictyopteris undulata with data available."}, {"from": "gpt", "value": "[C][C][=C][C][C@H1][C@][Branch2][Ring1][Branch1][C@][Ring1][=Branch1][C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][O][Branch1][O][C][C][C][C][Ring1][S][Branch1][C][C][C][C]"}]