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Under IUPAC nomenclature, a molecule named 3-[[4-(2-cyclopropyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)piperazin-1-yl]methyl]-5-methyl-1,2,4-oxadiazole is given. What is its corresponding molecular formula?
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C21H26N6OS
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