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system
Name the molecular formula for the molecule established as (7R)-7-[4-(dimethylamino)phenyl]-N-(2-methoxy-5-methylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide using the IUPAC nomenclature.
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C23H26N6O2
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