Using Oc1ccc(F)c(F)c1, CCOC(=O)c1cc(F)c(Cl)nc1Cl to produce CCOC(=O)c1cc(F)c(Oc2ccc(F)c(F)c2)nc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.