Using COc1ccc(CCC(O)c2cccnc2Oc2ccc(F)cc2)cc1 to produce COc1ccc(CCC(=O)c2cccnc2Oc2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.