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-(methanesulfonamido)phenyl]-1-phenyl-5-thiophen-2-yl-1,2,4-triazole-3-carboxamide .
user
C20H17N5O3S2
assistant