Using O=C(O)C1=Cc2oc(-c3ccccc3)cc2CN1, CC(=O)SSc1ccccc1 to produce O=C(O)C1=C(S)c2oc(-c3ccccc3)cc2CN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.