Using C=CCBr, CC(C)C(C)(C#N)N1C(=O)c2cccc(O)c2C1=O to produce C=CCOc1cccc2c1C(=O)N(C(C)(C#N)C(C)C)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.