[{"from": "human", "value": "Describe this molecule. [C][C][Branch2][Ring2][Branch2][C][=Branch1][C][=O][N][Branch1][Branch2][C][=Branch1][C][=O][N][Ring1][#Branch1][C][=C][C][=Branch1][=N][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][Branch1][C][F][Branch1][C][F][F][C]"}, {"from": "gpt", "value": "The molecule is a synthetic, nonsteroidal agent with antiandrogenic properties. Nilutamide preferentially binds to androgen receptors and blocks androgen receptor activation by testosterone and other androgens; this agent may inhibit androgen-dependent growth of normal and neoplastic prostate cells. (NCI04)"}]