Using BrCc1ccccc1, COC(=O)Cc1cccnc1Oc1cccc(O)c1 to produce COC(=O)Cc1cccnc1Oc1cccc(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.