Using O=C1[C@@H](N2CCc3cc(Cl)ccc32)CCN1c1ccc(S(=O)(=O)Nc2nccs2)cc1 to produce O=C1[C@@H](n2ccc3cc(Cl)ccc32)CCN1c1ccc(S(=O)(=O)Nc2nccs2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.