Using CC(C)(C)OC(=O)N1CCC(Oc2ccc(OC(F)(F)C(F)F)cc2)CC1 to produce FC(F)C(F)(F)Oc1ccc(OC2CCNCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.