Using O=[N+]([O-])c1ccccc1F, CNCC(=O)OC(C)(C)C to produce CN(CC(=O)OC(C)(C)C)c1ccccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.