Using CCOP(=O)(CCCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)F)OCC to produce O=P(O)(O)CCCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.