[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][N][Branch1][Ring1][C][C][C][=Branch1][C][=O][N][C@@H1][C][N][Branch2][Ring1][Branch2][C@@H1][C][C][=C][N][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch2][Ring1][=Branch1][C][Ring1][N][=C][Ring1][S][C]"}, {"from": "gpt", "value": "An ergot derivative that acts as an agonist at dopamine D2 receptors (dopamine agonists). It may also act as an antagonist at dopamine D1 receptors, and as an agonist at some serotonin receptors (serotonin agonists)."}]