You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-(3-ethyl-9-methoxy-3-azabicyclo[3.3.1]nonan-9-yl)pyridine-2-carboxamide is given. What is its corresponding molecular formula?
user
C17H25N3O2
assistant