You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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2-bromo-5-methyl-N-[2-[(1-methylpyrazol-4-yl)sulfonylamino]-1-phenylethyl]-1,3-thiazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C17H18BrN5O3S2
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