Using COC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)OC(C)(C)C, BrCCOc1ccc(Oc2ccccc2)cc1 to produce COC(=O)[C@H](Cc1ccc(OCCOc2ccc(Oc3ccccc3)cc2)cc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.