You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (3S,4R)-4-[[7-(cyclopentylamino)-5-fluoro-4-oxo-3H-quinazolin-2-yl]methylsulfanyl]-3-(trifluoromethyl)piperidine-1-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H32F4N4O3S
assistant