Using O=C(Nc1ccc(F)c([N+](=O)[O-])c1)c1ccccc1, CO to produce COc1ccc(NC(=O)c2ccccc2)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.