Using NO, CCOC(=O)CCN(CCc1ccccc1)S(=O)(=O)c1ccc(OC)cc1 to produce COc1ccc(S(=O)(=O)N(CCC(=O)NO)CCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.