You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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(Z)-3-[4-[(2-chlorophenyl)methoxy]phenyl]-2-cyano-N-(2,5-dimethylpyrrol-1-yl)prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
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C23H20ClN3O2
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