You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(3-bromophenyl)-4-fluoro-N-[5-[5-(1-fluorocyclopropyl)-1,2,4-oxadiazol-3-yl]pentyl]pent-4-enamide ?
user
C21H24BrF2N3O2
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