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-(3-butyl-4-oxoquinazolin-2-yl)sulfanyl-N-(furan-2-ylmethylcarbamoyl)acetamide using the IUPAC nomenclature.
user
C20H22N4O4S
assistant