O=C(NN=Cc1cc(Br)cc(Br)c1O)c1ccccc1[O-].O=C(NN=Cc1cc(Br)cc(Br)c1[O-])c1ccccc1O.[Zn+2]
Rewrite: PUBCHEM_BIOASSAY tests HCT-116 Colon cell line growth inhibition. It's a functional confirmatory assay with non-molecular target. Is the molecule assay-effective?