You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[(1R)-cyclopent-2-en-1-yl]-1-[(3S)-3-(3-methyl-1,2,4-oxadiazol-5-yl)morpholin-4-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
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C14H19N3O3
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