[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=C][Branch2][Ring2][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][S][=Branch1][C][=O][=Branch1][C][=O][/C][=C][/C][=C][Branch1][=N][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][O][C][O][C][O][C][N][C][C][=Branch1][C][=O][O-1].[Na+1]"}, {"from": "gpt", "value": "The molecule is the sodium salt of rigosertib. It is an anti-cancer agent which has been granted Orphan Drug Designation by the FDA for use in patients with myelodysplastic syndromes (MDS). It has a role as a microtubule-destabilising agent, an antineoplastic agent, an EC 2.7.11.21 (polo kinase) inhibitor and an apoptosis inducer. It contains a rigosertib(1-)."}]