[{"from": "human", "value": "What can you tell me about this molecule? [C][C][N+1][=C][Branch2][Ring1][#C][N][C@H1][Branch2][Ring1][Ring1][C@H1][C@][Ring1][=Branch1][Branch1][Branch1][C@H1][Ring1][=Branch2][O][N][C][=Branch1][Ring2][=NH1+1][Ring1][#Branch1][N][C][O][C][=Branch1][C][=O][N][N]"}, {"from": "gpt", "value": "The molecule is an iminium ion resulting from the protonation of the two imine groups of beta-saxitoxinol; major microspecies at pH 7.3. It is an alkaloid, a member of guanidines, a pyrrolopurine and an iminium ion."}]