You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-(2-hydroxyethyl)-6-[3-(11-oxo-10bH-indolo[2,3-b]quinolin-6-yl)phenyl]benzimidazolo[2,1-b]quinazolin-12-one .
user
C37H25N5O3
assistant