Using O=C([O-])[O-], CNc1nc(Nc2ccc(-c3nn[nH]n3)cc2Cl)ncc1C(F)(F)F to produce CNc1nc(Nc2ccc(-c3nnn(C)n3)cc2Cl)ncc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.