Using COc1cc(OC)nc(S(C)(=O)=O)n1, COC(=O)c1c(O)cccc1C=Cc1ccccc1 to produce COC(=O)c1c(C=Cc2ccccc2)cccc1Oc1nc(OC)cc(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.