Using CC1(C)C(=O)Nc2ccc(Br)cc21, CC(C)(C)C(=O)OCCl to produce CC(C)(C)C(=O)OCN1C(=O)C(C)(C)c2cc(Br)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.