Using CC(C)(C)OC(=O)NCC(C(=O)Nc1ccc2cnccc2c1)c1ccc(O)cc1, COC(=O)CBr to produce COC(=O)COc1ccc(C(CNC(=O)OC(C)(C)C)C(=O)Nc2ccc3cnccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.