You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-chloro-4-nitrophenyl)-2-[4-(2,6-dimethylmorpholin-4-yl)sulfonylpiperazin-1-yl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H28ClN5O6S
assistant