[{"from": "human", "value": "Provide a description of this molecule. [C][N][Branch1][C][C][C][=C][Branch1][#Branch2][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][F][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl]"}, {"from": "gpt", "value": "The molecule is a substituted benzoylphenylurea and an analogue of the pesticide diflubenzuron with potential antineoplastic activity. Upon administration, clanfenur binds to the colchicine-binding site on beta-tubulin and inhibits the polymerization of microtubules, thereby preventing tumor cell replication."}]