You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2,4-dichloro-3-[2,6-dichloro-3-ethoxycarbonyl-4-nitro-5-[4-(trifluoromethyl)phenyl]phenoxy]-6-nitro-5-[4-(trifluoromethyl)phenyl]benzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H18Cl4F6N2O9
assistant