You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[1-(5-chloro-2-methoxyphenyl)pyrrolidin-3-yl]-2-(4-chlorophenoxy)acetamide is given. What is its corresponding molecular formula?
user
C19H20Cl2N2O3
assistant