Using O=[N+]([O-])c1cc(Cl)ccc1Cl, COC(=O)c1ccc(O)cc1 to produce COC(=O)c1ccc(Oc2ccc(Cl)cc2[N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.