[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][S][=Branch1][C][=O][=Branch1][C][=O][O][C][C][C][=Branch1][C][=O][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=O][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an alkyl sulfonate with potential antineoplastic activity.  Piposulfan alkylates DNA, thereby producing DNA interstrand crosslinks and DNA strand breaks and inhibiting DNA replication.  This agent has been shown to exhibit antitumor activity in an animal model of prostate cancer. (NCI04)"}]