Using Oc1ccc(F)cc1F, COC(=O)c1ccc(OC)c(-c2c(=O)ccn3nc(Cl)ccc23)c1 to produce COC(=O)c1ccc(OC)c(-c2c(=O)ccn3nc(Oc4ccc(F)cc4F)ccc23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.