You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[3-(4-methoxyphenyl)-4-oxoquinazolin-2-yl]ethyl]-N-(3-methoxypropyl)-2-phenylmethoxyacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H33N3O5
assistant