You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2,3,5,6-tetramethyl-N-[(2-thiophen-3-ylpyridin-4-yl)methyl]benzenesulfonamide using the IUPAC nomenclature.
user
C20H22N2O2S2
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