Using Nc1ccc(Cl)cc1, C=C(C)CC1=C(C)C(=O)C(C)=C(C)C1=O to produce C=C(C)CC1=C(C)C(=Nc2ccc(Cl)cc2)C(C)=C(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.