Using CCC(=O)C(O)c1ccc(N2CCOCC2)cc1, Cc1ccc(CBr)cc1 to produce CCC(=O)C(O)(Cc1ccc(C)cc1)c1ccc(N2CCOCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.