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 1-(2-chlorophenyl)sulfonyl-N-[4-(1-methylbenzimidazol-2-yl)phenyl]piperidine-4-carboxamide .
user
C26H25ClN4O3S
assistant