[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=C][N+1][=Branch2][Ring1][N][=C][C][Ring1][=Branch1][=C][Branch2][Ring1][Ring1][C][=C][Ring1][#Branch2][N][C][=C][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C].[C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is acetate salt of elliptinium, a derivative of the alkaloid ellipticine isolated from species of the plant family Apocynaceae, including Bleekeria vitensis, a plant with anti-cancer properties.  As a topoisomerase II inhibitor and intercalating agent, elliptinium stabilizes the cleavable complex of topoisomerase II and induces DNA breakages, thereby inhibiting DNA replication and RNA and protein synthesis."}]