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-[3-(3-chloro-4-methylphenyl)-4-oxoquinazolin-2-yl]sulfanyl-N-(2-chloro-4-nitrophenyl)acetamide ?
user
C23H16Cl2N4O4S
assistant