Using CSc1ccc(C=O)cc1, O=C(O)Cc1ccc(F)c(F)c1 to produce CSc1ccc(C=C(C(=O)O)c2ccc(F)c(F)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.