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 [(3R)-3-[2-amino-5-[4-(trifluoromethyl)phenyl]pyrimidin-4-yl]piperidin-1-yl]-(4-methyl-1,3-thiazol-5-yl)methanone using the IUPAC nomenclature.
user
C21H20F3N5OS
assistant