Using COC(=O)C[C@@H]1COc2cc(O[C@@H]3CCc4c3ccc(C(F)(F)F)c4Cc3ccc(O)cc3)ccc21, O=C([O-])[O-] to produce COC(=O)C[C@@H]1COc2cc(O[C@@H]3CCc4c3ccc(C(F)(F)F)c4Cc3ccc(OC)cc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.