[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Acanthaster planci with data available."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=Branch1][C][Branch1][P][O][C][Ring1][Branch1][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][C][O][O]"}]