Using O=N[O-], CC(=O)Nc1cc(Cl)nc(NCc2ccc3ncccc3c2)c1N to produce CC(=O)Nc1cc(Cl)nc2c1nnn2Cc1ccc2ncccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.