You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(R)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-(6-hydroxyquinolin-4-yl)methyl] benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H26N2O3
assistant