Using O=C1NCCc2ccc(C(F)(F)F)cc21, Fc1cncc(Br)c1 to produce O=C1c2cc(C(F)(F)F)ccc2CCN1c1cncc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.