You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[5-bromo-6-[(Z,2E)-2-ethylidenepent-3-enoxy]-2-methylpyridin-3-yl]pentan-1-imine;propane .
user
C21H33BrN2O
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