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What is the molecular formula of the molecule (4S)-N-[(R)-(8,8-difluoro-3-bicyclo[4.2.0]octa-1(6),2,4-trienyl)-[4-(trifluoromethoxy)phenyl]methyl]-2-oxoimidazolidine-4-carboxamide ?
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C20H16F5N3O3
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