Using CC1=C(Br)C=CC2=NC(O)(C(F)(F)C(F)(F)F)CN21 to produce Cc1c(Br)ccc2nc(C(F)(F)C(F)(F)F)cn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.