Using O=C(CCc1ccc(O)cc1)N1CCc2ccccc2C1, COC(=O)c1ccccc1CBr to produce COC(=O)c1ccccc1COc1ccc(CCC(=O)N2CCc3ccccc3C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.