preferred_name: METHYL (3Z)-3-((4-((2-(4-(2-(4-(((Z)-(6-METHOXYCARBONYL-2-OXO-INDOLIN-3-YLIDENE)-PHENYL-METHYL)AMINO)-N-METHYL-ANILINO)-2-OXO-ETHYL)PIPERAZIN-1-YL)ACETYL)-METHYL-AMINO)ANILINO)-PHENYL-METHYLENE)-2-OXO-INDOLINE-6-CARBOXYLATE