Using C1COCCN1, O=C(NCc1cccc(C(F)(F)F)c1)c1ccnc(-c2cc(F)ccc2[N+](=O)[O-])c1 to produce O=C(NCc1cccc(C(F)(F)F)c1)c1ccnc(-c2cc(N3CCOCC3)ccc2[N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.