Using COC(=O)CC(CCCCCCCCSC(C)=O)=C(CCCCCCCCSC(C)=O)CC(=O)OC to produce OCC/C(CCCCCCCCS)=C(\CCO)CCCCCCCCS, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.