[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][C][C][C][=Branch1][C][=O][N][C][Branch1][#C][C][=Branch1][C][=O][N][C][C][C][C][N][C][C][C][N][O].[Cl].[Cl].[Cl]"}, {"from": "gpt", "value": "The molecule is a derivative of the antitumor antibiotic spergualin with immunosuppressant activity.  Gusperimus inhibits the interleukin-2-stimulated maturation of T cells to the S and G2/M phases and the polarization of the T cells into IFN-gamma-secreting Th1 effector T cells, resulting in the inhibition of growth of activated naive CD4 T cells; this agent may suppress growth of certain T-cell leukemia cell lines. (NCI04)"}]