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 (2-propan-2-ylsulfanylpyridin-3-yl)-[4-[[3-(trifluoromethyl)phenyl]methyl]piperazin-1-yl]methanone .
user
C21H24F3N3OS
assistant