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 5-ethyl-3-[[5-(ethylamino)-1,3,4-thiadiazol-2-yl]methyl]-5-methylimidazolidine-2,4-dione into molecular formula.
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C11H17N5O2S
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