Using CC(C)(C)OC(=O)NC(C(=O)O)c1ccc(Br)cc1, BrCc1ccccc1 to produce CC(C)(C)OC(=O)NC(C(=O)OCc1ccccc1)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.