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