[{"from": "human", "value": "Provide a description of this molecule. [C][S][=Branch1][C][=O][=Branch1][C][=O][O][C][C@H1][Branch2][Ring1][P][C@H1][Branch2][Ring1][N][C@@H1][Branch2][Ring1][#Branch1][C@@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][C][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an alkyl sulfonate with potential antineoplastic activity. Mannosulfan alkylates DNA, thereby producing DNA intra- or interstrand crosslinks, and ultimately results in inhibiting DNA replication and cell growth."}]