Using C[O-], FC(F)(F)c1cccnc1-c1ccc2c(Cl)cc(Cl)nc2c1 to produce COc1cc(Cl)nc2cc(-c3ncccc3C(F)(F)F)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.