Using NO, CCOP(=O)(Cc1ccc(C(=O)c2ccc(OC)cc2)cc1)OCC to produce CCOP(=O)(Cc1ccc(C(=NO)c2ccc(OC)cc2)cc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.