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 3-chloro-N-[6-[(3-fluorophenyl)methoxymethyl]pyridin-2-yl]benzenesulfonamide is given. What is its corresponding molecular formula?
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C19H16ClFN2O3S
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