Using O=[N+]([O-])c1cnc2ccc(Cl)nn12, Oc1ccc(CNc2ncncc2Cl)cc1 to produce O=[N+]([O-])c1cnc2ccc(Oc3ccc(CNc4ncncc4Cl)cc3)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.