Using C=Cc1cc(OC)c([N+](=O)[O-])cc1Cl, C[C@H](N)c1ccc(Br)cc1 to produce COc1cc(CCN[C@@H](C)c2ccc(Br)cc2)c(Cl)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.