You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 3-O-ethyl 1-O-methyl 2-(3,4-dichlorophenyl)-5-[(4-fluorophenyl)methylcarbamoyl]pyrrolidine-1,3-dicarboxylate is given. What is its corresponding molecular formula?
user
C23H23Cl2FN2O5
assistant