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 2-[[2-[2-(cyclohexen-1-yl)ethylcarbamoylamino]-2-oxoethyl]amino]-N-(2-methoxyethyl)benzamide .
user
C21H30N4O4
assistant