Using CCC(=O)N1CCC[C@@H]2Cc3cc(NS(=O)(=O)c4ccc(C(C)C)cc4)ccc3C[C@H]21 to produce CCCN1CCC[C@@H]2Cc3cc(NS(=O)(=O)c4ccc(C(C)C)cc4)ccc3C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.