You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-phenylmethoxy-1-[4-[(3S)-1-propan-2-ylpyrrolidin-3-yl]oxyphenyl]pyridin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H28N2O3
assistant