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 1-[(7S)-7-methoxy-4,6,7,8-tetrahydropyrazolo[1,5-a][1,4]diazepin-5-yl]-3-phenoxypropan-1-one .
user
C17H21N3O3
assistant