You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-methyl-N-[[1-(2-piperidin-1-ylethyl)benzimidazol-2-yl]methyl]-5,6,7,8-tetrahydroquinolin-8-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H33N5
assistant