[{"from": "human", "value": "Describe this molecule. [C][Branch1][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Medicago sativa and Trifolium pratense with data available."}]