Using FC(F)(F)Oc1ccc(Br)cc1, CC(C(=O)c1ccc(C(F)(F)F)cc1)n1ncnn1 to produce CCOC(=O)C(C)n1ncnn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.