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system
Name the molecular formula for the molecule established as 2-[C-ethyl-N-[1-[2-[2-[1-(2-hydroxyethyl)-5-oxopyrrolidin-3-yl]ethyl]phenyl]ethenyl]carbonimidoyl]-5-(2-methylpropyl)benzonitrile using the IUPAC nomenclature.
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C30H37N3O2
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