Using CCOC(=O)c1c(C)n[nH]c1C, FC(F)(F)c1cncc(Br)c1 to produce CCOC(=O)c1c(C)nn(-c2cncc(C(F)(F)F)c2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.