Using C1CCNC1, Cc1ccc2[nH]nc(-c3cn(-c4ccc(C=O)cc4)nn3)c2c1 to produce Cc1ccc2[nH]nc(-c3cn(-c4ccc(CN5CCCC5)cc4)nn3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.