Using COc1ccc2c(nc(C(F)(F)F)n2CC(F)(F)F)c1Cl to produce Oc1ccc2c(nc(C(F)(F)F)n2CC(F)(F)F)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.