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