[{"from": "human", "value": "Describe this molecule. [C][C@][C][C][=C][C][=C][C@H1][Branch2][Branch1][O][C@@H1][Branch2][Branch1][=Branch1][C@H1][Branch2][Ring2][=N][C][C@][Ring1][=Branch1][C][C][C@@][Ring1][O][Branch2][Ring1][=N][C@@H1][Ring1][#C][C][C][=Branch1][C][=O][C@@H1][Ring2][Ring1][Ring1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][N][=C][Ring1][Branch2][O][Ring2][Ring1][Ring2][N][Branch1][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of cortistatins that is cortistatin A in which the hydrogens at position 16 have been replaced by an oxo group. It is a member of cortistatins, a diol, a cyclic ketone and a secondary alcohol. It is functionally related to a cortistatin B."}]