Using CCOC(=O)c1cc(CC)sc1Nc1ccccc1[N+](=O)[O-] to produce CCc1cc(C(=O)O)c(Nc2ccccc2[N+](=O)[O-])s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.