You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 2-(4-fluorophenyl)-N'-[2-(3-propyl-5-sulfanylidene-1H-1,2,4-triazol-4-yl)acetyl]acetohydrazide into its molecular formula.
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C15H18FN5O2S
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