[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@][C][C][C@H1][C@H1][Branch2][Ring2][C][C@@H1][Ring1][=Branch1][C][C][C@@H1][Ring1][=Branch2][O][C][=Branch1][C][=O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][Ring2][C][C][Cl][C][C][Cl][C][C][C][=C][Ring2][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][Ring2][C][C][Cl][C][C][Cl]"}, {"from": "gpt", "value": "The molecule is a conjugate of two agents, estradiol and an alkylating mustard (usually mechlorethamine or non-nitrogen mustard). Estramustine is one such agent (see Estramustine Phosphate Sodium).  (NCI04)"}]