Using c1ccc(-c2onc3ccccc23)cc1, COC1NC(=O)N(c2ccccc2)C1=O to produce O=C(Nc1ccccc1)c1nc(-c2ccccc2)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.