Using CCN1CCC[C@H]1CNC(=O)c1c(O)ccc(O)c1OC, BrBr to produce CCN1CCC[C@H]1CNC(=O)c1c(O)c(Br)cc(O)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.