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-[(3S)-2,5-dioxo-3,4-dihydro-1H-1,4-benzodiazepin-3-yl]-N-[2-(4-oxoquinazolin-3-yl)ethyl]acetamide using the IUPAC nomenclature.
user
C21H19N5O4
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