Using CCOC(=O)c1conc1-c1ccc(OCc2ccc(F)cc2)cc1 to produce O=C(O)c1conc1-c1ccc(OCc2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.