Using CC(C)(C)OC(=O)N1CC(Oc2ccc(F)cc2F)CC1CO, COC(=O)c1ccc(O)cc1 to produce COC(=O)c1ccc(OCC2CC(Oc3ccc(F)cc3F)CN2C(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.