Using C=CCBr, CC(C)(C)OC(=O)Nc1cc(OCc2ccccc2)c2ccc(C#N)cc2c1I to produce C=CCN(C(=O)OC(C)(C)C)c1cc(OCc2ccccc2)c2ccc(C#N)cc2c1I, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.