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What is the molecular formula of the molecule identified by N-[(4-fluorophenyl)methyl]-N-[(2S)-1,1,1-trifluoropropan-2-yl]-2-(2,2',5'-trioxospiro[1,3-dihydroquinoline-4,4'-imidazolidine]-1'-yl)acetamide ?
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C23H20F4N4O4
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