Using COc1ccc(S(=O)(=O)N2CCC(=O)Nc3ccccc32)cc1OC to produce COc1ccc(S(=O)(=O)N2CCCNc3ccccc32)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.