Using CC(C)(C)OC(=O)c1cc(Cl)c(F)cc1F, CC(F)(F)Oc1cc(O)cnc1C1CC1 to produce CC(C)(C)OC(=O)c1cc(Cl)c(Oc2cnc(C3CC3)c(OC(C)(F)F)c2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.