Using O=c1[nH]c2ccc(Cl)cc2n1-c1ccccc1, COc1cc([N+](=O)[O-])ccc1S(=O)(=O)Cl to produce COc1cc([N+](=O)[O-])ccc1S(=O)(=O)n1c(=O)n(-c2ccccc2)c2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.