Using CC(C)COc1cc(Br)cc(Br)c1, CCOC(=O)COc1cc(C)c(S)cc1C to produce CCOC(=O)COc1cc(C)c(Sc2cc(Br)cc(OCC(C)C)c2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.