Using O=C(O)c1c(F)ccc([N+](=O)[O-])c1F, C=[N+]=[N-] to produce COC(=O)c1c(F)ccc([N+](=O)[O-])c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.