Using CN(C(=O)C(F)(F)F)c1ccc2nc(-c3cccc(-c4noc(C(F)(F)F)n4)c3)cn2n1 to produce CNc1ccc2nc(-c3cccc(-c4noc(C(F)(F)F)n4)c3)cn2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.