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