You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-(2,2-dimethylpropylamino)-5-[[4-(2-piperidin-1-ylethyl)piperazin-1-yl]methyl]pyrimidine-2-carbonitrile into its molecular formula.
user
C22H37N7
assistant