Using NOCc1ccccc1, COC12C=CC(S(=O)(=O)c3ccccc3)(O1)C(C(=O)O)C2 to produce COC12CCC(S(=O)(=O)c3ccccc3)(O1)C(C(=O)NOCc1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.