You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-[[2-[[(5,6-dimethyl-2-pyridin-3-ylpyrimidin-4-yl)amino]methyl]phenyl]methyl]pyrrolidin-2-one ?
user
C23H25N5O
assistant