You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-(1,1,1,3,3,3-hexafluoro-2-hydroxypropan-2-yl)phenyl]-2-methyl-2-(trifluoromethyl)butanamide into its molecular formula.
user
C15H14F9NO2
assistant