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Under IUPAC nomenclature, a molecule named (2R)-1-(cyclopropanecarbonyl)-4-[[9-ethyl-8-(2-methylpyrimidin-5-yl)purin-6-yl]amino]-N,N-dimethylpyrrolidine-2-carboxamide is given. What is its corresponding molecular formula?
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C23H29N9O2
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