You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (E)-3-(1-butyl-5-chloro-3-methylpyrazol-4-yl)-1-(2-methyl-6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-7-yl)prop-2-en-1-one by IUPAC nomenclature, provide its molecular formula.
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C17H23ClN6O
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