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 2-(1-fluoro-2',5'-dioxospiro[1,2-dihydroindene-3,4'-imidazolidine]-1'-yl)-N-[(4-fluorophenyl)methyl]-N-[(2S)-1,1,1-trifluoropropan-2-yl]acetamide into molecular formula.
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C23H20F5N3O3
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