Using COc1cc(OC)nc(Oc2cccc(Cl)c2C(=O)O)n1, O=[N+]([O-])c1ccc(O)cc1 to produce COc1cc(OC)nc(Oc2cccc(Cl)c2C(=O)Oc2ccc([N+](=O)[O-])cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.