[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Pycnandra acuminata, Lotus japonicus, and other organisms with data available."}, {"from": "gpt", "value": "[H+1].[H+1].[C][=C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}]