You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [2-[4-(4-nitrophenoxy)phenyl]-2-oxoethyl] 5-chloro-4-(5,6-dichloro-1,3-dioxoisoindol-2-yl)-2-methoxybenzoate is given. What is its corresponding molecular formula?
user
C30H17Cl3N2O9
assistant