Using C=C(Cl)C#N, N=C(Nc1ccc(Cl)cc1)c1ccc(Cl)cc1Cl to produce N#CC1CN(c2ccc(Cl)cc2)C(c2ccc(Cl)cc2Cl)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.