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Under IUPAC nomenclature, a molecule named N'-[2-(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)acetyl]-3-(4-fluorophenyl)imidazole-4-carbohydrazide is given. What is its corresponding molecular formula?
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C19H17FN8O2
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