Using Cc1cn(-c2cccc(N)c2)cn1, O=C(O)c1cccc2c1Cc1ccccc1-2 to produce Cc1cn(-c2cccc(NC(=O)c3cccc4c3Cc3ccccc3-4)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.