Using O=C(O)c1cc2ccccc2cn1, COC(=O)c1cccc2c1nc(N)n2Cc1ccccc1 to produce COC(=O)c1cccc2c1nc(NC(=O)c1cc3ccccc3cn1)n2Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.