Using CC(=O)C1CCc2c([nH]c3c(C(N)=O)ccc(-c4c(F)cccc4F)c23)C1 to produce CC(O)C1CCc2c([nH]c3c(C(N)=O)ccc(-c4c(F)cccc4F)c23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.