Using CI, O=C(Nc1ccc(-c2cn3ccccc3n2)cc1)C(F)(F)F to produce CN(C(=O)C(F)(F)F)c1ccc(-c2cn3ccccc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.