You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[1-(4-methoxyphenyl)ethenyl]-N-[3-(trifluoromethyl)phenyl]-1,2,5-trioxaspiro[5.5]undecan-9-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H26F3NO4
assistant