Using CCOC(=O)C(=Cc1cc(C(F)(F)F)cc(C(F)(F)F)c1)C(C)=O to produce CCOC(=O)C(Cc1cc(C(F)(F)F)cc(C(F)(F)F)c1)C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.