You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[4-chloro-2-[(5-chloropyridin-2-yl)carbamoyl]phenyl]-4-(N'-ethylcarbamimidoyl)-2-fluorobenzamide into molecular formula.
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C22H18Cl2FN5O2
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