You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methoxy-5-methyl-N-[3-(6-morpholin-4-ylpyridazin-3-yl)phenyl]benzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
user
C22H24N4O4S
assistant