Using CC1(C)C(=O)N(Br)C(=O)N1Br, COC(=O)Cc1ccc(C(C)(C)C)cc1 to produce COC(=O)C(Br)c1ccc(C(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.