Using C=CCBr, CC(C)c1oc(-c2ccc(Cl)cc2Cl)nc1CCc1noc2cc(O)ccc12 to produce C=CCOc1ccc2c(CCc3nc(-c4ccc(Cl)cc4Cl)oc3C(C)C)noc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.