You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[4-[4-(1,1,1,3,3,3-hexafluoro-2-hydroxypropan-2-yl)-2-propylphenoxy]butyl]-1,5,5-trimethylimidazolidine-2,4-dione into molecular formula.
user
C22H28F6N2O4
assistant