Using CC(=O)Nc1ccc(S(=O)O)c2cccnc12, CC(=O)Oc1cccc(CBr)c1 to produce CC(=O)Nc1ccc(S(=O)(=O)Cc2cccc(OC(C)=O)c2)c2cccnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.