Using COC(=O)c1ccc(Oc2c(-c3ccc(O)cc3)c(C(F)(F)F)cc3ccccc23)cc1 to produce O=C(O)c1ccc(Oc2c(-c3ccc(O)cc3)c(C(F)(F)F)cc3ccccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.