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 2,4-dichloro-N-[(1R)-1-(1-propylsulfonyl-4-pyridin-2-ylpiperidin-4-yl)ethyl]benzamide .
user
C22H27Cl2N3O3S
assistant