You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-(2-chlorophenoxy)-5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-cyano-N-ethyl-3-oxo-N-phenylpentanamide ?
user
C27H21Cl2F3N2O4
assistant