[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Stylissa carteri, Stylissa massa, and Cymbastela cantharella with data available."}, {"from": "gpt", "value": "[C][C][N][C][=Branch1][C][=O][C][=C][Branch1][P][C][Ring1][Branch2][=C][C][=Branch1][C][=O][N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][C][=C][Branch1][Ring2][N][Ring1][=N][Br]"}]