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-[1-(1H-benzimidazol-2-yl)-2-methylpropyl]-3-(1-phenyl-2-pyrrolidin-1-ylethyl)urea is given. What is its corresponding molecular formula?
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C24H31N5O
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