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-[2-[6-(2,4-difluorophenyl)pyridin-2-yl]propan-2-yl]pyridin-2-yl]propane-2-thiol is given. What is its corresponding molecular formula?
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C22H22F2N2S
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