Using O=c1[nH]nc2c3cc(N4CCCC4)c([N+](=O)[O-])cc3[nH]c(=O)n12 to produce O=c1nc2c3cc(N4CCCC4)c([N+](=O)[O-])cc3[nH]c(=O)n2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.