Using O=C(NCc1ccc2c(c1)OCO2)c1cc([N+](=O)[O-])ccc1NC1CCSCC1, O=S([O-])([O-])=S to produce O=C(NCc1ccc2c(c1)OCO2)c1cc([N+](=O)[O-])ccc1NC1CCS(=O)(=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.