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