Using COC(=O)C1C=C(n2cccc2)C(Sc2ccccc2)=C(NCc2ccccc2)C1=S(=O)=O to produce O=C(O)C1C=C(n2cccc2)C(Sc2ccccc2)=C(NCc2ccccc2)C1=S(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.