Using Cc1ccc(O)cc1C, COC(=O)C(Br)c1ccc(OCCCOc2ccc(Cl)cc2)cc1 to produce COC(=O)C(Oc1ccc(C)c(C)c1)c1ccc(OCCCOc2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.