Using Clc1ccncc1, O=[N+]([O-])c1ccc(C2CCNCC2)cc1 to produce O=[N+]([O-])c1ccc(C2CCN(c3ccncc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.