[{"from": "human", "value": "Describe this molecule. [C][C][O][C][C@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Hypsizygus ulmarius with data available."}]