Using CS(=O)(=O)OC1CCN(c2nc(C(=O)OCc3ccc([N+](=O)[O-])cc3)cs2)CC1, CC([O-])=S to produce CC(=O)SC1CCN(c2nc(C(=O)OCc3ccc([N+](=O)[O-])cc3)cs2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.