You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[5-[(dimethylamino)methyl]-1,3,4-oxadiazole-2-carbonyl]-1-(3-methoxyphenyl)piperazin-2-one into molecular formula.
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C17H21N5O4
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