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