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