You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(Z)-1-(2,4-dichlorophenyl)-3-[4-[2-(4-nitroanilino)-2-oxo-1-phenylethyl]sulfanylanilino]-3-oxoprop-1-en-2-yl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C36H26Cl2N4O5S
assistant