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 3-[4-[bis(2-methylpropyl)amino]-3-[[3-(trifluoromethyl)-1,2,4-thiadiazol-5-yl]amino]phenyl]-N-sulfanylbutanamide using the IUPAC nomenclature.
user
C21H30F3N5OS2
assistant