You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,2S,5R,6R,7S)-8-bromo-2-[[4-(diethylamino)phenyl]-prop-2-enylcarbamoyl]-3-(2-hydroxyethyl)-4-oxo-10-oxa-3-azatricyclo[5.2.1.01,5]decane-6-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C25H32BrN3O6
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