You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-1-(3-methylpiperidin-1-yl)ethanone is given. What is its corresponding molecular formula?
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C17H21N3O3
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