Using CCC(=O)N1C[C@@H]2C[C@@H](c3ccc(NS(=O)(=O)c4ccc(C(C)C)cc4)cc3)[C@@H]2C1 to produce CCCN1C[C@@H]2C[C@@H](c3ccc(NS(=O)(=O)c4ccc(C(C)C)cc4)cc3)[C@@H]2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.