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system
Name the molecular formula for the molecule established as 7-[[6-[[3-[[4-chloro-6-(3-sulfoanilino)-1,3,5-triazin-2-yl]amino]-5-sulfophenyl]diazenyl]-2,5-dihydroxy-7-sulfonaphthalen-1-yl]diazenyl]-8-hydroxynaphthalene-1,3,6-trisulfonic acid using the IUPAC nomenclature.
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C35H24ClN9O21S6
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