You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(5-benzoyl-6,7-dihydro-4H-furo[3,2-c]pyridin-2-yl)phenyl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H22N2O3
assistant