Using COC1CCN(C(=O)c2cc(Cc3n[nH]c(=O)c4cccc([N+](=O)[O-])c34)ccc2F)CC1 to produce COC1CCN(C(=O)c2cc(Cc3n[nH]c(=O)c4cccc(N)c34)ccc2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.