Using N=C(N)C(Cl)(Cl)Cl, C[N+](C)(C)Cc1c[nH]c2ccccc12 to produce N=C(NCc1c[nH]c2ccccc12)C(Cl)(Cl)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.