You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[7-(cyclopropylmethoxy)-4-[[(1R)-1-phenylethyl]amino]quinazolin-6-yl]-4-[methoxy(oxan-4-yl)amino]but-2-enamide into molecular formula.
user
C30H37N5O4
assistant