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 1-[4-(6-bromo-2,4-dioxo-6H-quinazolin-3-yl)butanoyl]-4-piperidin-1-ylpiperidine-4-carboxamide .
user
C23H30BrN5O4
assistant