You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-methyl-2-(2-methylphenyl)-3-[2,4,6-tris(2-deuteriopropan-2-yl)pyrimidin-5-yl]benzimidazol-1-ium is given. What is its corresponding molecular formula?
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C28H35N4+
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