Using COc1ccc(C(O)c2ccc3cc(OC)ccc3c2)c(F)c1 to produce COc1ccc(C(=O)c2ccc3cc(OC)ccc3c2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.