Using C[O-], Cn1c(-c2ccncc2F)nc2cc(C(F)(F)F)ccc21 to produce COc1cnccc1-c1nc2cc(C(F)(F)F)ccc2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.