You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (3aR,4R,9bR)-7-bromo-4-(4-nitrophenyl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline using the IUPAC nomenclature.
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C18H15BrN2O2
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