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 N-[(2-cyclopentyloxypyridin-3-yl)methyl]-4-(2-ethylsulfonylethoxy)benzenesulfonamide using the IUPAC nomenclature.
user
C21H28N2O6S2
assistant