Using COC(OC)N(C)C, COC(=O)c1ccc([N+](=O)[O-])c(C)c1 to produce COC(=O)c1ccc([N+](=O)[O-])c(C=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.