You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (2R)-2-[[(2S)-2-hydroxy-2-[4-(trifluoromethyl)phenyl]acetyl]amino]-3-(4-nitrophenyl)propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H17F3N2O6
assistant