You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[(3R)-2,5-dioxo-3,4-dihydro-1H-1,4-benzodiazepin-3-yl]-N-[2-(4-sulfamoylphenyl)ethyl]propanamide .
user
C20H22N4O5S
assistant