Using SCCCS, O=Cc1ccc(OCCCCCCOc2ccc(C=O)cc2)cc1 to produce c1cc(C2SCCCS2)ccc1OCCCCCCOc1ccc(C2SCCCS2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.