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-fluoro-4-pyridin-3-yloxyphenyl)-N-[[1-(4-methoxyphenyl)pyrazol-3-yl]methyl]prop-2-enamide into molecular formula.
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C25H21FN4O3
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