Using CI, CC(C)NC(=O)c1ccc(N2CCC3(CCN(S(=O)(=O)c4ccccc4Cl)CC3)C2=O)cc1 to produce CC(C)N(C)C(=O)c1ccc(N2CCC3(CCN(S(=O)(=O)c4ccccc4Cl)CC3)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.