N-(5-((N-(5,11-dimethyl-9-methoxy-6H-pyrido(4,3-b)carbazol-1-yl)-3-aminopropyl)carbonyl)-1-methyl-1H-pyrrol-3-yl)-4-(((4-(formylamino)-1-methyl-1H-pyrrol-2-yl)carbonyl)amino)-1-methyl-1H-pyrrole-2-carboxamide