Using O=C(CCCn1c(=O)[nH]c(=O)c2ccccc21)N1CCN(c2ccccc2[N+](=O)[O-])CC1 to produce O=c1[nH]c(=O)n(CCCCN2CCN(c3ccccc3[N+](=O)[O-])CC2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.