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-tert-butyl-4-[1-[2-(3,4-dimethylphenoxy)ethyl]benzimidazol-2-yl]pyrrolidin-2-one is given. What is its corresponding molecular formula?
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C25H31N3O2
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