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 2-[(5-acetyl-2-ethoxyphenyl)methylsulfanyl]-7-chloro-3-(2-methoxyethyl)quinazolin-4-one using the IUPAC nomenclature.
user
C22H23ClN2O4S
assistant