You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-methyl-N-[[5-(2-methylpropyl)-4,6,7,8-tetrahydropyrazolo[1,5-a][1,4]diazepin-2-yl]methyl]azepane-2-carboxamide using the IUPAC nomenclature.
user
C20H35N5O
assistant