You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (E)-3-(1'-benzyl-4-oxospiro[1,3-dihydroquinazoline-2,4'-piperidine]-6-yl)-N-(oxan-2-yloxy)prop-2-enamide ?
user
C27H32N4O4
assistant