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 5-fluoro-4-(4-fluoro-1-benzofuran-7-yl)-N-[4-(methylsulfanylmethyl)pyridin-2-yl]pyridin-2-amine is given. What is its corresponding molecular formula?
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C20H15F2N3OS
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