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-[(7-chloro-3,4-dihydro-2H-1,5-benzodioxepin-8-yl)amino]-2-oxoethyl] 3-(carbamoylamino)-3-phenylpropanoate .
user
C21H22ClN3O6
assistant