You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-N-[[5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl]methyl]-2-cyano-N-cyclopropyl-3-[2,5-dimethyl-1-(2-methylpropyl)pyrrol-3-yl]prop-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H28ClN5O2
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