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What is the molecular formula of the compound with this IUPAC name 2-N-[3-(4-chlorophenyl)pentyl]-2-N-methyl-4-N-(oxan-4-yl)-5-oxo-6,7-dihydrothieno[3,2-d]pyrimidine-2,4-diamine ?
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C23H31ClN4O2S
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