Using CC(C)(C)OC(=O)c1cccc(CCN)c1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CNCCc1cccc(C(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.