Using CC(C)(C)OC(=O)NCc1cc(Cl)ccc1O, CCOC(=O)CBr to produce CCOC(=O)COc1ccc(Cl)cc1CNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.