Reword the given prompt as follows: The confirmatory assay, assigned to non-molecular targets, is known as PUBCHEM_BIOASSAY: NCI human tumor cell line growth inhibition assay. The assay category is confirmatory, and it involves the K562 cell type while the assay type description is functional. The data pertains to the K-562 Leukemia cell line. Does this molecule show efficacy in this assay?