Using CCCc1ccc(-c2ccc(OCC)c(F)c2C=O)c(C=O)c1F to produce CCCc1ccc2c(c1F)C(O)C(O)c1c-2ccc(OCC)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.