Using Cn1ccnc1S, Cc1ccc(S(=O)(=O)OCCSc2ccc([N+](=O)[O-])cc2)cc1 to produce Cn1ccnc1SCCSc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.