[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][Branch2][Ring2][O][C@@H1][C@@H1][Branch2][Ring2][Branch1][C][=C][Branch1][=N][C][N][Ring1][=Branch1][C][=Branch1][C][=O][C@H1][Ring1][O][NH3+1][C][=Branch1][P][=C][Branch1][Branch1][C][=C][Ring1][N][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a zwitterion obtained by transfer of a proton from the sulfate to the amino group of fumisoquin B; major species at pH 7.3. It is a tautomer of a fumisoquin B."}]