You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2R)-2-[4-[(6-bromo-4-oxo-2-propylquinazolin-3-yl)iminomethyl]-2,6-dichlorophenoxy]propanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H22BrCl2N3O4
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