You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[3-[[1-oxo-6-[S-phenyl-N-(2,2,2-trifluoroacetyl)sulfonimidoyl]phthalazin-2-yl]methyl]phenyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H25F3N4O5S
assistant