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system
Name the molecular formula for the molecule established as 2-[4-[3-[(6-bromo-2-ethyl-4-oxoquinazolin-3-yl)iminomethyl]-2,5-dimethylpyrrol-1-yl]phenoxy]-N-phenylacetamide using the IUPAC nomenclature.
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C31H28BrN5O3
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