Using Cc1nc(Nc2ccnc(NC(=O)C3CC3)c2)c(=O)[nH]c1C(N)=O, O=C1CCCCC1 to produce Cc1nc(Nc2ccnc(NC(=O)C3CC3)c2)c(=O)n2c1C(=O)NC21CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.