Using Cc1ccc2c(c1)NC(=O)C(NC(=O)OC(C)(C)C)CN2, CC(C)=CCBr to produce CC(C)=CCN1CC(NC(=O)OC(C)(C)C)C(=O)Nc2cc(C)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.