Using CC(C)(C)OC(=O)N1CCC(N(CCc2ccc(Br)cc2)Cc2ccc(S(N)(=O)=O)cc2)CC1, CC(=O)Cl to produce CC(=O)NS(=O)(=O)c1ccc(CN(CCc2ccc(Br)cc2)C2CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.