Using O=C(OCc1ccccc1)N1CCC(S(=O)(=O)Nc2ccc3[nH]ncc3c2)CC1 to produce O=S(=O)(Nc1ccc2[nH]ncc2c1)C1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.