4-[(5-Acetylamino-2-chloro-4-methylphenyl)azo]-N-[(7-chloro-2,3-dihydro-2-oxo-1H-benzimidazol)-5-yl]-3-hydroxy-2-naphthalenecarboxamide

4-[[5-(acetylamino)-2-chloro-4-methylphenyl]azo]-N-(7-chloro-2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide