You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-ethyl-3-[6-[5-fluoro-6-(1-hydroxyethyl)pyridin-3-yl]-4-(3-fluoropyridin-2-yl)-1H-benzimidazol-2-yl]urea is given. What is its corresponding molecular formula?
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C22H20F2N6O2
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