Using O=[N+]([O-])c1ccc(Cl)nc1, Oc1ccccc1Oc1ncc(Cl)cn1 to produce O=[N+]([O-])c1ccc(Oc2ccccc2Oc2ncc(Cl)cn2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.