Using O=C(O)c1ccc2nc[nH]c2c1, CC(C)(C)OC(=O)N1CCC(N)CC1 to produce CN1CCC(NC(=O)c2ccc3nc[nH]c3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.