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