Using CN(CCc1ccn(S(=O)(=O)c2ccccc2)c1)CC(O)c1ccccc1 to produce CN1CCc2ccn(S(=O)(=O)c3ccccc3)c2C(c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.