You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-[benzenesulfonyl-(2,3,6-trifluorophenyl)methyl]-4-methylpyridine-2-carboxamide using the IUPAC nomenclature.
user
C20H15F3N2O3S
assistant