Using COC(=O)c1nc(-c2ccc(F)cc2)oc1-c1ccc(Cl)s1 to produce OCc1nc(-c2ccc(F)cc2)oc1-c1ccc(Cl)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.