Using CC(C)(C)O, Fc1c(F)c(F)c2c(F)c(F)c(F)c(F)c2c1F to produce Oc1c(F)c(F)c2c(F)c(F)c(F)c(F)c2c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.