[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Campsis grandiflora, Castanopsis cuspidata, and other organisms with data available."}, {"from": "gpt", "value": "[C][C][=C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=O]"}]