Using CCOC(=O)CC1CCc2cc(OC)ccc2C1=O, FC(F)(F)CI to produce CCOC(=O)CC1(CC(F)(F)F)CCc2cc(OC)ccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.