Using CCOC(=O)C(C)C(=O)c1ccccc1, COC(=O)c1ccc(N)cc1 to produce COC(=O)c1ccc2c(c1)C(=O)C(C)C(c1ccccc1)=N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.