[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is the dipropionate ester of 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."}, {"from": "gpt", "value": "[C][C][/C][=Branch2][Ring1][#Branch1][=C][Branch1][Ring1][/C][C][\\C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][C]"}]