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 (5R)-3-[(3-ethyl-1,2,4-oxadiazol-5-yl)methyl]-5-(2-fluorophenyl)-5-methylimidazolidine-2,4-dione into molecular formula.
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C15H15FN4O3
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