Using CCCc1cc(Oc2ccccc2)ccc1O, COC(=O)Cc1ccc(OCCCBr)cc1 to produce CCCc1cc(Oc2ccccc2)ccc1OCCCOc1ccc(CC(=O)OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.