You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-carbamoyl-4-(4-fluoro-2-methylphenyl)-3-[[3-fluoro-5-(trifluoromethyl)phenyl]methyl]piperazine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H28F5N3O3
assistant