Using Nc1nc(Cl)cc(C(F)(F)F)n1, Nc1ccc(Oc2ccnc3[nH]cc(Cl)c23)c(F)c1 to produce Nc1nc(Nc2ccc(Oc3ccnc4[nH]cc(Cl)c34)c(F)c2)cc(C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.