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system
2-[6-[3-[4-cyano-3-(trifluoromethyl)phenyl]-5,5-dimethyl-4-oxo-2-sulfanylideneimidazolidin-1-yl]-2-ethyl-8-fluoroquinazolin-4-yl]oxyacetamide;4-[3-(2-ethyl-9-fluoro-3-methoxy-4-oxopyrido[1,2-a]pyrimidin-7-yl)-4,4-dimethyl-5-oxo-2-sulfanylideneimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile;4-[3-[2-ethyl-8-fluoro-4-(oxetan-3-ylmethoxy)quinazolin-6-yl]-4,4-dimethyl-5-oxo-2-sulfanylideneimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile;4-[3-(2-ethyl-9-fluoro-4-oxopyrido[1,2-a]pyrimidin-7-yl)-4,4-dimethyl-5-oxo-2-sulfanylideneimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile;4-[3-(2-ethyl-3-hydroxy-4-oxopyrido[1,2-a]pyrimidin-7-yl)-4,4-dimethyl-5-oxo-2-sulfanylideneimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile;4-[3-(2-ethyl-3-methoxy-4-oxopyrido[1,2-a]pyrimidin-7-yl)-4,4-dimethyl-5-oxo-2-sulfanylideneimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile;4-[3-(2-ethyl-4-oxopyrido[1,2-a]pyrimidin-7-yl)-4,4-dimethyl-5-oxo-2-sulfanylideneimidazolidin-1-yl]-2-(trifluoromethyl)benzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
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C169H135F25N36O19S7
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