You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(furan-2-ylmethyl)-4-methoxy-N-[1-[3-(2-methoxyphenyl)-4-oxoquinazolin-2-yl]ethyl]benzamide is given. What is its corresponding molecular formula?
user
C30H27N3O5
assistant