You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[[3-[5-(4-bromophenyl)-4-methyl-1,3-oxazol-2-yl]propanoylamino]methyl]-1,3-thiazole-4-carboxamide into molecular formula.
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C18H17BrN4O3S
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