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 6-[1-(8-cyclobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl]-4-methyl-2-(4-methylsulfonylphenyl)-1H-benzimidazole is given. What is its corresponding molecular formula?
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C31H40N4O2S
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