You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[2-[(6-bromo-2-butyl-4-oxoquinazolin-3-yl)iminomethyl]-4-nitrophenoxy]-N-phenylacetamide ?
user
C27H24BrN5O5
assistant