You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[(2-bromophenyl)methyl]-2-(7,8-dimethyl-4-oxo-1,2,3,3a-tetrahydrocyclopenta[c][1,5]benzodiazepin-5-yl)acetamide is given. What is its corresponding molecular formula?
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C23H24BrN3O2
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