[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Nigrospora with data available."}, {"from": "gpt", "value": "[C][C][=C][C][=C][Branch1][#Branch1][C][O][C][Ring1][Branch1][=O][C][=C][C][C][O]"}]