Using CNc1nc(Nc2ccc(C(=O)OC)cc2OC(F)F)ncc1Cl to produce CNc1nc(Nc2ccc(C(=O)O)cc2OC(F)F)ncc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.