Using COC(=O)CC(=O)OC, O=[N+]([O-])c1ccc(Cl)c(Cl)c1 to produce COC(=O)C(C(=O)OC)c1ccc([N+](=O)[O-])cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.