[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Porella platyphylla, Ptilidium ciliare, and Porella cordaeana with data available."}, {"from": "gpt", "value": "[C][C@@H1][C][C@@H1][C@@][Branch2][Ring1][O][C@][Ring1][Branch1][Branch2][Ring1][Ring2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][=C][Branch1][Branch1][C@H1][Ring1][#Branch1][C][C][=C][O][Ring1][#Branch1][C][C]"}]