You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-bromo-N-[2-(3-methyl-1,2,4-oxadiazol-5-yl)thiophen-3-yl]benzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
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C13H10BrN3O3S2
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