Using NO, CC(=O)c1ccc(OCc2ccccc2)c(CCCc2ccc(C(=O)NCCO)cc2)c1 to produce CC(=NO)c1ccc(OCc2ccccc2)c(CCCc2ccc(C(=O)NCCO)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.