You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5-bromothiophen-3-yl)-[4-[5-(trifluoromethyl)pyridin-2-yl]-1,4-diazepan-1-yl]methanone by IUPAC nomenclature, provide its molecular formula.
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C16H15BrF3N3OS
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