You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[[[5-cyano-2-[ethenyl(methyl)amino]phenyl]methylamino]methyl]piperidin-1-yl]-N-hydroxypyrimidine-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H27N7O2
assistant