Using BrCc1ccccc1, CS(=O)(=O)c1ccc(C(CC2CCCC2)C(=O)Nc2nccs2)cc1 to produce O=C(Nc1nccs1)C(CC1CCCC1)c1ccc(S(=O)(=O)CCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.