Using C[O-], Cc1c(Cn2cnc3c(Cl)cc(Cl)nc32)cccc1C(F)(F)F to produce COc1cc(Cl)nc2c1ncn2Cc1cccc(C(F)(F)F)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.