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-cyclopropyl-1,2,4-oxadiazol-5-yl)methoxy]piperidin-1-yl]-(1H-indol-4-yl)methanone into molecular formula.
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C20H22N4O3
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