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