Using CCOc1ccc(-c2cccc(F)c2F)c(F)c1F, C1CCOC1 to produce CCOC1(C=O)C=CC(c2cccc(F)c2F)=C(F)C1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.