[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Mitrephora macrocarpa, Mitrephora celebica, and Pinus taeda with data available."}, {"from": "gpt", "value": "[C][C@][Branch2][Ring2][Ring1][C][C][C@H1][C][=Branch2][Ring1][Branch2][=C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][#C][C][C][C][C@@][Ring1][=Branch1][Branch1][C][C][C][=Branch1][C][=O][O][C][C][Ring2][Ring1][Ring1][C][=C]"}]