Using CCOC(=O)C(CC)C(=O)OCC, O=[N+]([O-])c1ccc(Cl)cc1 to produce CCOC(=O)C(CC)(C(=O)OCC)c1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.