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 phenyl-[(2S)-2-[2-[[4-(trifluoromethyl)pyridin-2-yl]amino]pyrimidin-4-yl]piperidin-1-yl]methanone .
user
C22H20F3N5O
assistant