[{"from": "human", "value": "Provide a brief overview 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][N][Ring1][N]"}, {"from": "gpt", "value": "The molecule is a member of the class of acridines that is 9,10-dihydroacridine substituted by an oxo group at position 9. It is a member of acridines and a cyclic ketone."}]