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 tert-butyl (3R)-3-[[5-(4-chloro-3-fluorophenyl)-4-(2-methylsulfanylpyrimidin-4-yl)-2-oxopyridin-1-yl]methyl]pyrrolidine-1-carboxylate is given. What is its corresponding molecular formula?
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C26H28ClFN4O3S
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