Using COc1ccc(CCl)cc1, O=[N+]([O-])c1cc(Cl)cnc1O to produce COc1ccc(Cn2cc(Cl)cc([N+](=O)[O-])c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.