You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N,N,4-trimethyl-6-[2-[[4-(piperazin-1-ylmethyl)pyridin-2-yl]methyl]-3H-benzimidazol-5-yl]pyrimidin-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H30N8
assistant