You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[ethyl-[3-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]propanoyl]amino]methyl]-N,N-dimethylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H25FN4O3
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