Using CC(C)(C)OC(=O)NCc1cccc(Oc2cc(Cl)ccc2N)c1, CCOC(=O)CCBr to produce CCOC(=O)CCNc1ccc(Cl)cc1Oc1cccc(CNC(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.