You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[4-amino-2-(hydroxymethyl)-7-(2-methyl-1,2-dihydropyridin-3-yl)imidazo[4,5-c]quinolin-1-yl]butyl]methanesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H28N6O3S
assistant