Using COC(CNC(=S)NC(c1ccccc1)c1ccc(N)c([N+](=O)[O-])c1)OC, O=C([O-])[O-] to produce COC(CN=C(NC(c1ccccc1)c1ccc(N)c([N+](=O)[O-])c1)SC)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.