[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Branch2][Ring2][C][C@@H1][C][O][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][C][=O][O][Ring1][#Branch1][C][=Branch1][=Branch1][=C][Ring1][N][O][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Pterocaulon purpurascens with data available."}]