You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-(hydroxymethyl)-5-[(3S)-3-(5-methylpyridin-2-yl)oxypyrrolidin-1-yl]pyridin-2-yl]benzaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H23N3O3
assistant