Using OCCCC(O)c1cc(C(F)(F)F)nc2c(C(F)(F)F)cccc12 to produce FC(F)(F)c1cc(C2CCCO2)c2cccc(C(F)(F)F)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.