Using O=C(Nc1ccc(-c2ncn(-c3ccc(OC(F)(F)C(F)(F)F)cc3)n2)cc1)Oc1ccc([N+](=O)[O-])cc1 to produce COC(=O)Nc1ccc(-c2ncn(-c3ccc(OC(F)(F)C(F)(F)F)cc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.