You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[2-[(1-methoxypyridin-1-ium-2-yl)methylsulfonyl]-5-methylphenyl]-1-benzofuran-2-sulfonamide .
user
C22H21N2O6S2+
assistant