COc1cc(O)c2c(=O)c(OC)c(-c3ccc(OC)c(OC)c3)oc2c1.[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?