Using CC(C)(C)OC(=O)Nc1ccc(OC2CCN(C(=O)OC(C)(C)C)CC2)cc1, CC(C)=CCBr to produce CC(C)=CCN(C(=O)OC(C)(C)C)c1ccc(OC2CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.