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 N-[3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)phenyl]-2-[(5R,9S)-7,7,9-trimethyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl]acetamide .
user
C26H34N6O3
assistant