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For the molecule named 4-(4-chlorophenyl)-2-(2,4-dimethoxypyrimidin-5-yl)-5-(3,8-dimethyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl)-3-propan-2-yl-4H-pyrrolo[3,4-d]imidazol-6-one by IUPAC nomenclature, provide its molecular formula.
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C28H27ClN8O3
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