You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-N'-[[6-bromo-3-(3-chlorophenyl)-4-oxoquinazolin-2-yl]methyl]-3-[4-(dimethylamino)phenyl]prop-2-enehydrazide into its molecular formula.
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C26H23BrClN5O2
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