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