You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 3-(1,3,4,5,7,8,9,9a-octahydropyrrolo[1,2-a][1,4]diazepin-2-yl)-N'-hydroxy-2-methyl-3-oxopropanimidamide ?
user
C12H22N4O2
assistant