You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-(3-fluoro-2-pyrimidin-2-ylphenyl)-1-[3-[[5-(trifluoromethyl)pyrimidin-2-yl]amino]piperidin-1-yl]ethanone .
user
C22H20F4N6O
assistant