Using Nc1cccnc1, CCOC(=O)C(CC(=O)c1ccccc1)C(C)=O to produce CCOC(=O)c1cc(-c2ccccc2)n(-c2cccnc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.