[{"from": "human", "value": "Provide a description of this molecule. [C][O][C][=Branch1][C][=O][C][C@@H1][Branch1][#Branch1][C][=Branch1][C][=O][O][C][O][C][=Branch1][C][=O][C][=C][C][=C][N][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a natural product found in Sparganium stoloniferum with data available."}]