[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Rhododendron mucronulatum, Erucaria microcarpa, and other organisms with data available."}, {"from": "gpt", "value": "[H+1].[C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}]