Using O=C(c1ccc([N+](=O)[O-])c(C(F)(F)F)c1)N1CCOCC1 to produce Nc1ccc(C(=O)N2CCOCC2)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.