Using COc1c(-c2cc(C(=O)O)c(C)o2)cccc1[N+](=O)[O-] to produce COc1c(N)cccc1-c1cc(C(=O)O)c(C)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.