Using NNc1ccc(Cl)cc1, CC(=O)CC(=O)c1ccnc(Cl)c1 to produce Cc1cc(-c2ccnc(Cl)c2)n(-c2ccc(Cl)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.