Using O=C(O)Cc1ccc2c(c1)CC(CNS(=O)(=O)c1ccc([N+](=O)[O-])cc1)C2 to produce Nc1ccc(S(=O)(=O)NCC2Cc3ccc(CC(=O)O)cc3C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.