You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-(4-bromophenyl)-4'-methylspiro[1,10b-dihydropyrazolo[1,5-c][1,3]benzoxazine-5,1'-cyclohexane] .
user
C22H23BrN2O
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