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 N-[(4-fluorophenyl)methyl]-1,5-dimethyl-4-(4-methylpiperidin-1-yl)sulfonylpyrrole-2-carboxamide is given. What is its corresponding molecular formula?
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C20H26FN3O3S
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