[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@][C][C][=Branch2][Ring2][=Branch2][=C][C@@][Branch2][Ring1][Ring1][C@H1][Ring1][=Branch1][N][Branch1][Branch1][C][C][Ring1][Branch1][C][C][C][Ring1][N][O][Ring1][Ring1][C][=C][Branch1][Ring2][N][Ring1][=N][C][=C][Branch1][Branch1][C][=C][Ring1][#Branch1][O][C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Catharanthus lanceus, Alstonia yunnanensis, and Catharanthus roseus with data available."}]