Using COC(=O)c1ccc(COc2cc(Cl)cc([N+](=O)[O-])c2)cc1 to produce O=C(O)c1ccc(COc2cc(Cl)cc([N+](=O)[O-])c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.