You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule 2-[[3-(4-bromo-1,3-thiazol-2-yl)-9-phenylmethoxycarbonyl-9-azabicyclo[3.3.1]nonan-3-yl]oxy]acetic acid ?
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C21H23BrN2O5S
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