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 (4S)-4-[3-(morpholin-4-ylmethyl)-1,2,4-oxadiazol-5-yl]-1-(pyridin-3-ylmethyl)pyrrolidin-2-one into its molecular formula.
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C17H21N5O3
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