You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-N-[2-(3-chlorophenyl)ethyl]-2-cyano-3-[1-(1-methoxypropan-2-yl)-2,5-dimethylpyrrol-3-yl]prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
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C22H26ClN3O2
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