[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C][=Branch1][C][=O][N][C@@H1][N][Ring1][=Branch1][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][C][C][C@@][Ring1][#Branch1][Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=C][O][N][C][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O]"}, {"from": "gpt", "value": "The molecule is an organic heterotetracyclic compound that consists of 4,5,5a,9c-tetrahydro-3H-2a,9b-diazacyclopenta[jk]fluorene-1,3(2H)-dione substituted by a hydroxy group at position 5, a methyl group at position 2 and a 4-oxoquinazolin-3(4H)-yl group at position 4 (the 2S,4R,5aS,9cS stereoisomer). It is a cytotoxic alkaloid isolated from the endophytic fungus Chaetomium. It has a role as a metabolite. It is an organic heterotetracyclic compound, a member of quinazolines, a lactam and an indole alkaloid."}]