You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(2S)-1-(2-chloro-4-fluoroanilino)-1-oxopropan-2-yl] (E)-3-(4-methylphenyl)prop-2-enoate .
user
C19H17ClFNO3
assistant