You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[4-(1,3-benzodioxol-5-ylmethoxy)-3,5-diiodophenyl]methylideneamino]-6-bromo-2-tert-butylquinazolin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H22BrI2N3O4
assistant