You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [1-[4-(methanesulfonamido)phenyl]-1-oxopropan-2-yl] 2-(4-methylpentanoylamino)acetate using the IUPAC nomenclature.
user
C18H26N2O6S
assistant