Using c1c[nH]cn1, CC(C)(C(=O)C(Br)Oc1ccc(Cl)cc1)C(Br)CBr to produce CC1(C)C(=C(Oc2ccc(Cl)cc2)n2ccnc2)OCC1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.