[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch1][#Branch2][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=C][Ring1][N][C][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an anthracene compound derived by the substitution of -OH groups for hydrogen at C-1 and C-8, and with an oxo group at C-9. It has a role as an antipsoriatic. It is functionally related to an anthrone. It is a tautomer of an anthracene-1,8,9-triol."}]