Using O=C(OCc1ccccc1)c1ccc([O-])cc1, Fc1c(F)c(F)c(C(F)(F)F)c(F)c1F to produce O=C(OCc1ccccc1)c1ccc(Oc2c(F)c(F)c(F)c(F)c2C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.