Using CCOC(=O)c1nn(C2CCCCO2)c(C)c1-c1cc(OCCOC)cc(C(F)(F)F)c1 to produce COCCOc1cc(-c2c(CO)nn(C3CCCCO3)c2C)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.