You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[4-[3-(5-methyl-1,3,4-oxadiazol-2-yl)propanoyl]piperazin-1-yl]pentan-1-one into its molecular formula.
user
C15H24N4O3
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