Using COC(=O)c1cccc(Oc2cc(N)c([N+](=O)[O-])cn2)c1 to produce COC(=O)c1cccc(Oc2cc(N)c(N)cn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.