You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-(4-benzylpiperazin-1-yl)phenyl]-3-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]propanamide into its molecular formula.
user
C28H28FN5O2
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