You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (E)-3-[3-[(Z)-(4-methyl-3-oxo-1,4-benzoxazin-2-ylidene)methyl]phenyl]-N-(2-morpholin-4-ylphenyl)prop-2-enamide by IUPAC nomenclature, provide its molecular formula.
user
C29H27N3O4
assistant