Using CCCCS(=O)(=O)Oc1ccc(C/C=C/c2ccc(/C=C/C(=O)OC)cc2OCc2ccccc2)cc1OC to produce CCCCS(=O)(=O)Oc1ccc(CCCc2ccc(CCC(=O)OC)cc2O)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.