Using Nc1ccc2c(c1N)C(=O)c1ccccc1C2=O, C=CC(C)=O to produce Cc1nc2ccc3c(c2nc1C)C(=O)c1ccccc1C3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.