[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of 2,5-diketopiperazines. It is a conjugate acid of an isoechinulin B anion."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring2][S][=C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch2][Ring1][=Branch1][=C][Ring1][#Branch1][/C][=C][\\C][=Branch1][C][=O][N][C][=Branch1][C][=C][C][=Branch1][C][=O][N][/-Ring1][=Branch2][C][Branch1][C][C][Branch1][C][C][C][=C][C]"}]