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 (2R)-2-ethyl-4-[4-[2-[[1-(2-hydroxyethyl)pyrazol-4-yl]amino]-5-methylpyrimidin-4-yl]phenyl]-4-oxobutanenitrile .
user
C22H24N6O2
assistant