You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-2-cyano-N-[[(2R)-oxolan-2-yl]methyl]-3-[4-(trifluoromethyl)phenyl]prop-2-enamide into its molecular formula.
user
C16H15F3N2O2
assistant