You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-(4-methoxy-2-nitroanilino)-1-oxopropan-2-yl] (E)-3-(3-chloro-5-ethoxy-4-methoxyphenyl)prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H23ClN2O8
assistant