Using CCOC(=O)c1ccc(OC)c(/C=C/c2ccc(OC(F)(F)F)cc2)c1 to produce COc1ccc(C(=O)O)cc1/C=C/c1ccc(OC(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.