You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule ethyl (2R,4R)-1-[[(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethyl]-methylcarbamoyl]-2-(4-fluoro-2-methylphenyl)piperidine-4-carboxylate ?
user
C27H29F7N2O3
assistant