You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[5-[4-(3-ethyl-3,9-diazabicyclo[4.2.1]nonane-9-carbonyl)triazol-1-yl]-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H29N7O4
assistant