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-(4-ethoxyphenyl)-N-[(2S)-1-(4-methylpiperidin-1-yl)-1-oxopropan-2-yl]methanesulfonamide .
user
C18H28N2O4S
assistant