Using O=C1C(=NO)c2ccccc2-c2ccccc21, O=C(Cl)c1ccccc1 to produce O=C(ON=C1C(=O)c2ccccc2-c2ccccc21)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.