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For the molecule named 2-[11-(4-bromophenyl)-8-[4-(dimethylamino)phenyl]-5,10,12-trioxo-2,6-dithia-4,11-diazatricyclo[7.3.0.03,7]dodec-3(7)-en-4-yl]-N-(3,4-dichlorophenyl)acetamide by IUPAC nomenclature, provide its molecular formula.
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C30H23BrCl2N4O4S2
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