[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Callyspongia siphonella with data available."}, {"from": "gpt", "value": "[C][C@H1][C][C][C@@H1][C@@H1][Branch1][#Branch2][C][C][C@@][Ring1][Branch1][Branch1][C][C][O][C][Branch2][Ring2][=Branch1][/C][\\-Ring1][N][=C][\\C][C@@H1][C@][Branch2][Ring1][O][C][C][C][=Branch1][C][=O][C][Branch1][=C][O][C@@H1][Ring1][Branch2][C][C][C@][Ring1][N][Branch1][C][C][O][Branch1][C][C][C][C][Branch1][C][C][C]"}]