Using Brc1ccnnc1, OB(O)c1cc(C(F)(F)F)ccc1OCc1ccccc1 to produce FC(F)(F)c1ccc(OCc2ccccc2)c(-c2ccnnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.