You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(3-chloro-4-methoxyphenyl)-N-[1-(4-formylpiperazin-1-yl)-1-oxopropan-2-yl]methanesulfonamide .
user
C16H22ClN3O5S
assistant