Using COc1cc(C2(O)CCN(Cc3ccccc3)CC2)ccc1C=O, CS(=O)CS(C)=O to produce COc1cc(C2(O)CCN(Cc3ccccc3)CC2)ccc1C=C(SC)S(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.