[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Diospyros eriantha, Iris milesii, and other organisms with data available."}, {"from": "gpt", "value": "[C][O][C][=C][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][#Branch1][=O][O][C]"}]