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-amino-1-[4-[1-(3-ethyl-1,2,4-oxadiazol-5-yl)ethyl]piperazin-1-yl]butan-1-one into molecular formula.
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C14H25N5O2
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