Using O=C1CCC(=O)N1Br, Cc1cc(C(C)(C)C)cc(C(C)(C)C)c1 to produce CC(C)(C)c1cc(CBr)cc(C(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.