Using Clc1ccc2c(c1)C(=C1CCNCC1)c1ccccc1O2, OCCCBr to produce OCCCN1CCC(=C2c3ccccc3Oc3ccc(Cl)cc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.