Using O=[N+]([O-])c1ccc2oc(-c3ccc(-c4ccc(C(F)(F)F)cc4)cc3)nc2c1 to produce Nc1ccc2oc(-c3ccc(-c4ccc(C(F)(F)F)cc4)cc3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.