You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(3,4-dihydro-1H-isochromen-3-ylmethyl)-N-methyl-4-morpholin-4-ylsulfonylbenzamide by IUPAC nomenclature, provide its molecular formula.
user
C22H26N2O5S
assistant