You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-1-(hydroxyamino)-3-[[2-(3-imidazol-1-ylpropylamino)acetyl]amino]-1-oxopropan-2-yl]-4-pyrazin-2-ylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26N8O4
assistant