You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-propan-2-yl-7-(2-propan-2-yl-4,5-dihydro-3H-benzo[e]benzimidazol-7-yl)-1H-naphtho[2,1-e]benzimidazole ?
user
C32H30N4
assistant