Using Nc1nc(Nc2cc(Cl)c(Br)c(C(F)(F)F)c2)n[nH]1, O=Cc1ccc(C(F)(F)F)cc1 to produce FC(F)(F)c1ccc(CNc2nc(Nc3cc(Cl)c(Br)c(C(F)(F)F)c3)n[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.