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 [(5R,10bS)-2-(4-bromophenyl)-9-chloro-5,10b-dihydro-1H-pyrazolo[1,5-c][1,3]benzoxazin-5-yl]-(4-chlorophenyl)methanone into molecular formula.
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C23H15BrCl2N2O2
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