[{"from": "human", "value": "Describe this molecule. [C][C][/C][=Branch1][P][=C][Branch1][Ring1][/C][C][\\C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a synthetic, nonsteroidal form of estrogen. A well-known teratogen and carcinogen, diethylstilbestrol inhibits the hypothalamic-pituitary-gonadal axis, thereby blocking the testicular synthesis of testosterone, lowering plasma testosterone, and inducing a chemical castration."}]