You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-3-(3-chloro-5-ethoxy-4-phenylmethoxyphenyl)-2-cyano-N-[3-(trifluoromethyl)phenyl]prop-2-enamide into molecular formula.
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C26H20ClF3N2O3
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