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 4-[(6-bromo-4-oxo-2-sulfanylidene-1H-quinazolin-3-yl)methyl]-N-[2-(4-methylpiperidin-1-yl)ethyl]benzamide .
user
C24H27BrN4O2S
assistant