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system
Name the molecular formula for the molecule established as (2Z)-2-[3-(3-chlorophenyl)-4-(4-fluorophenyl)-1,3-thiazol-2-ylidene]-3-[4-(3-methylbutanoyl)piperazin-1-yl]-3-oxopropanenitrile using the IUPAC nomenclature.
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C27H26ClFN4O2S
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