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-(3,4-difluorophenyl)-3-[4-fluoro-3-[3-(morpholin-4-ylmethyl)quinoxalin-6-yl]oxyphenyl]urea is given. What is its corresponding molecular formula?
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C26H22F3N5O3
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