You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 6-bromo-8-fluoro-3,4-dihydro-2H-1,4-benzoxazine;2-formyl-N,N-dimethylbenzamide is given. What is its corresponding molecular formula?
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C18H18BrFN2O3
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