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 N-[1-(4-bromo-5-methylthiophen-2-yl)-2-(2,4-difluorophenyl)ethyl]propan-1-amine is given. What is its corresponding molecular formula?
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C16H18BrF2NS
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