Using O=C(CCc1cc2cccnc2n(-c2cccc([N+](=O)[O-])c2)c1=O)c1ccncc1 to produce O=c1c(CCC(O)c2ccncc2)cc2cccnc2n1-c1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.