Using O=[N+]([O-])c1ccc(O)c(I)c1, CCOC(=O)c1cc2sccc2[nH]1 to produce CCOC(=O)c1cc2sc(-c3ccc([N+](=O)[O-])cc3)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.