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-(3,4-dimethoxyphenyl)ethyl]-5-[(4-fluorophenyl)methoxy]-4-oxopiperidine-2-carboxamide is given. What is its corresponding molecular formula?
user
C23H27FN2O5
assistant