You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-[(3-fluorophenyl)methyl]-5-[2-(4-methylsulfonylpiperazin-1-yl)-2-oxoethyl]imidazolidine-2,4-dione into molecular formula.
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C17H21FN4O5S
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