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 N-[[2-[(3-cyclopropyl-1,2,4-oxadiazol-5-yl)methoxy]-3-methylphenyl]methyl]ethanamine is given. What is its corresponding molecular formula?
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C16H21N3O2
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