Using O=C1CCC(=O)N1Br, Cc1cc2c(cc1Br)C(C)(C)CCC2(C)C to produce CC1(C)CCC(C)(C)c2cc(CBr)c(Br)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.