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system
Name the molecular formula for the molecule established as (Z)-3-[5-chloro-2-(3-fluorophenyl)-1H-indol-3-yl]-3-hydroxy-1-(1H-1,2,4-triazol-5-yl)prop-2-en-1-one using the IUPAC nomenclature.
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C19H12ClFN4O2
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