You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [3-[2-methyl-5-[3-(trifluoromethyl)phenyl]phenyl]-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl] N-ethylcarbamate .
user
C25H24F3NO4
assistant