You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named benzyl 2-[(1S,4S,5R,6R)-6-bromo-5-hydroxy-3-oxo-2-azabicyclo[2.2.0]hexan-2-yl]acetate by IUPAC nomenclature, provide its molecular formula.
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C14H14BrNO4
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