[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch1][=Branch1][N][=C][N][Ring1][Branch1][C][S][C][C][N][C][=Branch1][C][=S][N][C]"}, {"from": "gpt", "value": "The molecule is an H-2 receptor antagonist derived from burimamide. It was an intermediate product on the path to developing cimetidine."}]