Using N=C(N)Nc1ccccc1[N+](=O)[O-], CCOC(=O)CC(C)=O to produce Cc1cc(O)nc(Nc2ccccc2[N+](=O)[O-])n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.