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-[5-[5-(cyclopropylmethylamino)-1-methyl-6-oxopyridin-3-yl]-2-methoxyphenyl]methanesulfonamide .
user
C18H23N3O4S
assistant