Using Clc1ncnc2[nH]ccc12, CC(C)(C)OC(=O)N1CCCC12CCCNC2 to produce CC(C)(C)OC(=O)N1CCCC12CCCN(c1ncnc3[nH]ccc13)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.