Cc1ccc(NC(=O)C(CC(=O)c2c[n+]([O-])c3ccccc3[n+]2[O-])=NNC(=O)C[n+]2ccccc2)cc1.[Cl-]
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?