Using O=C1[C@@H](N2CCc3ccccc32)CCN1c1ccc(S(=O)(=O)Nc2nccs2)cc1 to produce O=C1[C@@H](n2ccc3ccccc32)CCN1c1ccc(S(=O)(=O)Nc2nccs2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.