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system
Name the molecular formula for the molecule established as 4-[[2-[[2-chloro-4-[3-chloro-4-[[2-hydroxy-3-[[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]oxymethyl]naphthalen-1-yl]diazenyl]phenyl]phenyl]diazenyl]-3-oxobutanoyl]amino]benzenesulfonic acid using the IUPAC nomenclature.
user
C40H30Cl2N8O8S
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