You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[2-(2,4-dichlorophenyl)ethyl]-2,2-dimethyl-N'-propan-2-ylpropanediamide is given. What is its corresponding molecular formula?
user
C16H22Cl2N2O2
assistant