Using CCOC(C)=O, COC(=O)CN(C(=O)CCCOc1ccc([N+](=O)[O-])c(C=O)c1)C1CCCCC1 to produce COC(=O)CN(C(=O)CCCOc1ccc([N+](=O)[O-])c(C(=O)O)c1)C1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.