Using O=c1[nH]c(=O)n(CCCCN2CCN(c3ccccc3[N+](=O)[O-])CC2)c2ccccc12 to produce Nc1ccccc1N1CCN(CCCCn2c(=O)[nH]c(=O)c3ccccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.