You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-(4-chlorophenyl)-2-[3-(4-methylpyridin-2-yl)-4-oxoquinazolin-2-yl]sulfanylpropanamide using the IUPAC nomenclature.
user
C23H19ClN4O2S
assistant