You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[3-[[(2S)-butan-2-yl]amino]-3-oxopropyl]-5-[(4-fluorophenyl)methyl]-4-oxo-7,8-dihydro-6H-pyrazolo[1,5-a][1,4]diazepine-2-carboxamide .
user
C22H28FN5O3
assistant