Using CCS(=O)(=O)c1ccc(Sc2cc(Cl)ccc2O)cc1, CC(C)(C)OC(=O)CBr to produce CCS(=O)(=O)c1ccc(Sc2cc(Cl)ccc2OCC(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.