Using CCOC(=O)C1COc2c(OC)ccc([N+](=O)[O-])c2C1 to produce COc1ccc([N+](=O)[O-])c2c1OCC(C(=O)O)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.