Using O=C(O)C1CCc2ccccc2C1, NC[C@H]1CC[C@H](CNS(=O)(=O)c2ccc3ccccc3c2)CC1 to produce O=C(NC[C@H]1CC[C@H](CNS(=O)(=O)c2ccc3ccccc3c2)CC1)C1CCc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.