[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=C][/C][=Branch1][C][=O][N][O]"}, {"from": "gpt", "value": "The molecule is a novel hydroxamic acid-type histone deacetylase (HDAC) inhibitor with antineoplastic activity. Belinostat targets HDAC enzymes, thereby inhibiting tumor cell proliferation, inducing apoptosis, promoting cellular differentiation, and inhibiting angiogenesis. This agent may sensitize drug-resistant tumor cells to other antineoplastic agents, possibly through a mechanism involving the down-regulation of thymidylate synthase."}]