Using CCC(CC(=O)O)c1cccc([N+](=O)[O-])c1, CC[C@@H](CC(=O)O)c1cccc([N+](=O)[O-])c1 to produce CCC(CC(=O)OC)c1cccc([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.