You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-[4-(furan-2-yl)pyridin-3-yl]-N-[4-[2-(1,3,4-oxadiazol-2-yl)ethyl]phenyl]prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H18N4O3
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