You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[2-(3-chloro-N-[2-(cyclopentylamino)-2-oxo-1-pyridin-3-ylethyl]-4-fluoroanilino)-2-oxoethyl]furan-2-carboxamide into molecular formula.
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C25H24ClFN4O4
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