Using O=C(Nc1cc2[nH]c(=O)c(=O)[nH]c2cc1[N+](=O)[O-])C(F)(F)F to produce Nc1cc2[nH]c(=O)c(=O)[nH]c2cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.