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 2,6-difluoro-N-[(2-pyridin-4-ylpyridin-3-yl)methyl]benzenesulfonamide is given. What is its corresponding molecular formula?
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C17H13F2N3O2S
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