Using Cc1ccc(OC(=O)c2cc(Cl)c(F)cc2F)cc1, Oc1ccc(Cl)c(C(F)(F)F)c1 to produce Cc1ccc(OC(=O)c2cc(Cl)c(Oc3ccc(Cl)c(C(F)(F)F)c3)cc2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.