Using COc1c(COS(C)(=O)=O)cc(C(C)(C)C)cc1[N+](=O)[O-], C[S-] to produce COc1c(CSC)cc(C(C)(C)C)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.