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system
Name the molecular formula for the molecule established as (3S)-6-[[1-(3,5-dimethylphenyl)cyclohexyl]methyl]-9-hydroxy-2,3-dimethyl-3,4-dihydropyrazino[1,2-c]pyrimidine-1,8-dione using the IUPAC nomenclature.
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C24H31N3O3
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