[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][C][C@H1][Ring1][Ring1][C][=N][C@@H1][Branch1][Branch1][C][S][Ring1][Branch1][/C][=C][\\C][C][/C][=C][/C][=C][Branch1][C][\\C][/C][C][C@H1][Branch1][Ring2][C][C][=C][O][C]"}, {"from": "gpt", "value": "The molecule is the B isomer of Curacin compound.  Cruacin B inhibits tubulin polymerization, thereby inhibiting mitosis and cell proliferation. (NCI)"}]