O=C1c2cccc([O-])c2C(=O)c2c(OC3OC(CO)C(O)C(O)C3O)cccc21.[K+]
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?