Using COc1ccc(C2Cc3cc(OC)ccc3C2CCCCCCCCCCBr)cc1, CCOC(=O)CC(=O)OCC to produce COc1ccc2c(c1)CC(c1ccc(O)cc1)C2CCCCCCCCCCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.