Using CC(C)(C)OC(=O)N1CCc2[nH]ncc2C1, ClCCN1CCCC1 to produce CC(C)(C)OC(=O)N1CCc2nn(CCN3CCCC3)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.