You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-bromo-2-[(2R)-butan-2-yl]-3-[[2-[(2,4-dichlorophenyl)methoxy]naphthalen-1-yl]methylideneamino]quinazolin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H24BrCl2N3O2
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