Using CCCCOC(=O)c1ccc(N(CC)Cc2cc(Br)ccc2O)nn1, C=C(Cl)CCl to produce C=C(Cl)COc1ccc(Br)cc1CN(CC)c1ccc(C(=O)OCCCC)nn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.