Using ClCCCCCBr, COC(=O)c1ccc(CCC(/C=C/c2ccccc2O)Cc2ccc(C(=O)OC)cc2)cc1 to produce COC(=O)c1ccc(CCC(/C=C/c2ccccc2OCCCCCCl)Cc2ccc(C(=O)OC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.