You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 7-[8-amino-1-[4-[(4-chloropyridin-2-yl)carbamoyl]-2-fluorophenyl]imidazo[1,5-a]pyrazin-3-yl]-2,7-diazaspiro[3.5]nonane-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H32ClFN8O3
assistant