[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][C@@H1][Branch2][Branch1][Branch1][C][=Branch1][C][=O][N][Branch1][C][C][C@@H1][Branch1][=Branch1][C][Branch1][C][C][C][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch1][C][Branch1][C][C][C][N][Branch1][C][C][C].[Cl]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt form of cemadotin, a synthetic dolastatin 15 analogue with potential antineoplastic activity.  Cemadotin suppresses spindle microtubule dynamics by binding to tubulin, thereby blocking mitosis. (NCI04)"}]