Using COc1cc(C(=O)C(=O)O)cc([N+](=O)[O-])c1O, CO to produce COC(=O)C(=O)c1cc(OC)c(O)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.