You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 1-[(4R)-2,2-diethyl-6-fluoro-3,4-dihydrochromen-4-yl]-3-(2-oxo-3,4-dihydro-1H-quinolin-7-yl)urea into its molecular formula.
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C23H26FN3O3
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