Using CN1CCC(c2ccc(Cl)cc2)C(O)C1, BrCc1ccc2ccccc2c1 to produce CN1CCC(c2ccc(Cl)cc2)C(OCc2ccc3ccccc3c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.