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