You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(3S,4R)-1-(3,3-difluorocyclobutyl)-4-hydroxypiperidin-3-yl]-2-[1-oxo-4-propan-2-yl-6-(trifluoromethyl)phthalazin-2-yl]acetamide into its molecular formula.
user
C23H27F5N4O3
assistant