[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][C][C][C][C][=C][C][C][C][N][C][Ring1][=Branch1][=C][C][=C][Ring1][#Branch2]"}, {"from": "gpt", "value": "The molecule is a natural product found in Streptomyces nigrescens with data available."}]