Using O=C(Oc1ccccc1)N1CCN(c2nn(S(=O)(=O)c3ccccc3)c3ccccc23)CC1 to produce c1ccc2c(N3CCNCC3)n[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.