[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][N][=O]"}, {"from": "gpt", "value": "The molecule is a polycyclic aromatic hydrocarbon derived from anthracene or phthalic anhydride.  Anthraquinone is used in the manufacture of dyes, in the textile and pulp industries, and as a bird repellant."}]