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 N-(4-methylpyridin-2-yl)-1-[3-(2-methylsulfanylanilino)-3-oxopropyl]piperidine-4-carboxamide is given. What is its corresponding molecular formula?
user
C22H28N4O2S
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