Using COc1ccc(N2C(=O)/C(=C/C(C)=O)C2c2ccccc2)cc1, NO to produce COc1ccc(N2C(=O)/C(=C/C(C)=NO)C2c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.