Using COc1cc(-n2cncn2)ccc1N, CNc1nc(Cl)ncc1C(F)(F)F to produce CNc1nc(Nc2ccc(-n3cncn3)cc2OC)ncc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.