Using CC(C)(C)OC(=O)N1CCC(Oc2ccc(CBr)c(C(F)(F)F)c2)CC1, [C-]#N to produce CC(C)(C)OC(=O)N1CCC(Oc2ccc(CC#N)c(C(F)(F)F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.