Using COC(=O)c1ccc(C(F)(F)F)nc1C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, O=C([O-])[O-] to produce C=Cc1nc(C(F)(F)F)ccc1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.