Using O=C(O)Cc1ccncc1, CCc1nn(C2CCCC2)c(N)c1C#N to produce CCc1nn(C2CCCC2)c(NC(=O)Cc2ccncc2)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.