[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=Branch1][C][=O][C@@H1][Branch1][Ring1][C][O][C@H1][C][C@H1][C][=C][Branch1][N][C][C][N][Ring1][=Branch1][C][C@@H1][Ring1][#Branch2][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][S]"}, {"from": "gpt", "value": "The molecule is a natural product found in Alstonia angustifolia, Rauvolfia caffra, and Strychnos pungens with data available."}]