You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-1-[(3R)-3-hydroxypiperidin-1-yl]-2-[4-(3-methyl-4-pyridin-2-yloxyanilino)quinazolin-5-yl]oxypropan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H29N5O4
assistant