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system
Name the molecular formula for the molecule established as [(1R,2R)-2-methylcyclopentyl] (4R)-4-[4-(dimethylamino)phenyl]-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate using the IUPAC nomenclature.
user
C20H27N3O2S
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