Using CCOC(=O)C(=Cc1ccc(OC)c(OCCc2ccc(C(F)(F)F)cc2)c1)CC to produce CCOC(=O)C(CC)Cc1ccc(OC)c(OCCc2ccc(C(F)(F)F)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.