Using COC(=O)c1cc(O)cc(OC(=S)N(C)C)c1, O=C([O-])[O-] to produce COC(=O)c1cc(OC)cc(OC(=S)N(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.