You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-[[(1S)-1-(2,4-dichlorophenyl)ethyl]amino]-1-oxopropan-2-yl] (1S,2R)-2-methylcyclopropane-1-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H19Cl2NO3
assistant