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-[(2-butoxypyridin-3-yl)methyl]-1-(2,5-difluorophenyl)sulfonylpiperidine-4-carboxamide .
user
C22H27F2N3O4S
assistant