Using O=Cc1ccc(F)c(F)c1, COc1cc(-c2cccs2)ccc1C(C)=O to produce COc1cc(-c2cccs2)ccc1C(=O)C=Cc1ccc(F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.