Using O=C1c2ccc([N+](=O)[O-])cc2S(=O)(=O)N1CCCCN1CCN(c2ncccn2)CC1 to produce Nc1ccc2c(c1)S(=O)(=O)N(CCCCN1CCN(c3ncccn3)CC1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.