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system
Name the molecular formula for the molecule established as (E)-1-[3-(4-chlorophenyl)-1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl]-3-(4-ethoxyphenyl)prop-2-en-1-one using the IUPAC nomenclature.
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C23H22ClN3O2
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